Math

StatisticsQ&A LibraryThe United Nations stores statistics about all the live births in the United States. The latest data concerns the birthweights of infants born in 2015. The μ is 3056 grams and the σ is 514 grams. Calculate the total weight of twins, one born one standard deviation below the mean and the other born two standard deviations below the mean. What is the total weighStart your trial now! First week only $4.99!*arrow_forward*

Question

The United Nations stores statistics about all the live births in the United States. The latest data concerns the birthweights of infants born in 2015. The μ is 3056 grams and the σ is 514 grams. Calculate the total weight of twins, one born one standard deviation below the mean and the other born two standard deviations below the mean.

What is the total weight

1 Rating

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: Cattle The Virginia Cooperative Extension reportsthat the mean weight of yearling Angus steers is115...

A: The mean and the standard deviation are 1,152 and 84 pounds, respectively.

Q: Potato chips The weight of potato chips in a medium-size bag is stated to be 10 ounces. The amount t...

A: Click to see the answer

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no ...

A: Click to see the answer

Q: Cell phone survey What about drawing a randomsample only from cell phone exchanges? Discuss theadvan...

A: In a cell phone survey a random sample is drawn using cell-phone exchanges and another sample is dra...

Q: Can you help me WITH QUESTION "C" TO QUESTION "I" I did this same question and they didn't answer th...

A: Note: Hi there! Thank you for posting the question. As there are multiple subpart, according to our ...

Q: Out of 100 people sampled, 47 preferred Candidate A. Based on this, estimate what proportion of the ...

A: Click to see the answer

Q: You are given the sample mean and the population standard deviation. Use this information to constru...

A: Click to see the answer

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe t...

A: From the provided information, Population standard deviation (σ) = 47.9 Margin of error (E) = 1 Conf...

Q: in a recent poll, 130 people were asked if they liked dogs, and 46% said they did. Find the Margin o...

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is...

Q: A custodian wishes to compare two competing floor waxes to decide which one is best. He believes tha...

A: Click to see the answer

Q: Attendance 2010 American League baseball games areplayed under the designated hitter rule, meaning t...

A: a. The given information is that the American League baseball game owners want to examine whether th...

Q: A group of students decide to participate in a national strength test. Assume a normal distribution ...

A: Standardized z-score: The standardized z-score represents the number of standard deviations the da...

Q: In a study of 1228 randomly selected medical malpracticelawsuits, it was found that 856 of them were...

A: Click to see the answer

Q: Construct a 95% confidence interval for the true mean of city mileage (MPG) of all cars with a manua...

A: Click to see the answer

Q: Slot machine A slot machine has three wheels thatspin independently. Each has 10 equally likely symb...

A: a. Find the probability of getting 3 lemons. The given information is that a slot machine contains t...

Q: Swimsuits A swimsuit manufacturer wants to test thespeed of its newly designed suit. The company des...

A: Click to see the answer

Q: Hopkins winds, revisited In Chapter 4, we examined thewind speeds in the Hopkins forest over the cou...

A: a)The scatter plot depicting Average wind Speed (mph) corresponding to Day of the Year clearly show ...

Q: You are interested in constructing a 99% confidence interval for the proportion of all caterpillars ...

A: Click to see the answer

Q: A local news program decides to conduct a poll to seehow their viewers feel about their new programm...

A: Solution: The sampling will suffer from response bias. Because; people who will call will surely hav...

Q: A good book An English professor is attempting toestimate the mean number of novels that the student...

A: Population standard deviation, sigma is 10. The z-critical value for 95% confidence interval is 1.96...

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based...

A: Solution: From the given information, confidence level is 0.99, σ=22.7 dollars and E=2.

Q: Giving a test to a group of students, the grades and gender are summarized below A В C Total Male 8 ...

A: Click to see the answer

Q: The commercial for the new Meat Man Barbecue claims that it takes 18 minutes for assembly. A consume...

A: Click to see the answer

Q: The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20...

A: Click to see the answer

Q: Correlation facts II If we assume that the conditions forcorrelation are met, which of the following...

A: Properties of correlation: The sign of the correlation coefficient indicates the direction of the a...

Q: Engines, again Horsepower is another measure com-monly used to describe auto engines. Here are the s...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names are ...

A: Given Information No of Girls = 64 No of Boys = 16 Total children(n) = 64 + 16 = 80 Proportion of gi...

Q: Which of the following best describes the difference between the interpretation of the correlation c...

A: Identify the correct option that interprets the difference between the interpretation of the correla...

Q: 1. State the test statistic: t = 2. State the p-value: 3. Decision: Fail to reject the null hypothe...

A: Click to see the answer

Q: 110 students at a college were asked whether they had completed their required English 101 course, a...

A: It is given that 110 students at a college where 69 students said that they had completed their requ...

Q: You measure 29 turtles' weights, and find they have a mean weight of 70 ounces. Assume the populatio...

A: Click to see the answer

Q: Blood Only 4% of people have Type AB blood.a) On average, how many donors must be checked to findsom...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: The result of an anthropology test was collected, and the grades and gender are summarized below ...

A: Click to see the answer

Q: The mean weight of female dancers in a local modern dance company is more than 127 lbs. Express the ...

A: Solution: From the given information, the claim is that the mean weight of female dancers in a local...

Q: An appliance dealer's website features the mean life expectancy values for major household appliance...

A: It is given that the widget weights follow a normal distribution with the mean of 48 and the standar...

Q: Find Var(x) and Var(y) based on the joint PMF

A:

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support...

A: Assume p-hat as 0.5, since no preliminary estimate is available.

Q: A researcher is interested in finding a 90% confidence interval for the mean number minutes students...

A: Click to see the answer

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe t...

A: Click to see the answer

Q: A newsgroup is interested in constructing a 90% confidence interval for the difference in the propor...

A: Click to see the answer

Q: You are interested in finding a 98% confidence interval for the average number of days of class that...

A: Click to see the answer

Q: A researcher is interested in seeing if the average income of rural families is different than that ...

A: Click to see the answer

Q: Another ride The regression of Duration of a rollercoaster ride on the height of its initial Drop, d...

A: Click to see the answer

Q: A survey found that women's heights are normally distributed with mean 62.4 in. and standard deviati...

A: Standard normal distribution: The standard normal distribution is a special case of normal distribut...

Q: Which of the following most accurately describes a correlation coefficient of 0.83 between height (i...

A: Here, variables are height (inch X), weight (lbs Y), and correlation coefficient of (r) is 0.83.

Q: Suppose that the amount of time that students spend studying in the library in one sitting is normal...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for ...

Q: 10. Jackpot On February 11, 2009, the AP news wirereleased the following story:(LAS VEGAS, Nev.)—A m...

A: a. The biggest slot machine payout ever is hitting a jackpot at $38.7 million. The maker made a stat...

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you bel...

A: Click to see the answer

Q: You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperature...

A: Given information- We have given sample temperatures. I am using excel to find mean and sample stand...