A research company desires to know the main consumption of meat per week among males over 43. They believe that the meat consumption has a mean of 3.2 pounds and want to construct a 99% confidence interval with a maximum error of 0.09 pounds. Assuming a standard deviation of 1.3 pounds what is the minimum number of males over age 43 they must include in their sample round your answer up to the next integer

Q: Many people consider their smart phone to be essential! Communication, news, Internet,…

A: Given information Mean µ = 12.75 hours Standard deviation σ = 2.1 hours

Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…

A: The sample mean is x¯=19.8The sample size is n=47The sample standard deviation is s=2.2The defined…

Q: A research scientist wants to know how many times per hour a certain strand of bacteria reproduces.…

A:

Q: A sociologist found that in a sample of 49 retired police officers, the average number of jobs they…

A: sample size(n)=49 Mean(x)=7.2 standard deviation(s)=2.1 confidence level=99%

Q: The mean number of English courses taken in a two-year time period by male and female college…

A:

Q: Some college graduates employed full-time work more than 40 hours per week, and some work fewer than…

A:

Q: For a random sample of 55 overweight men, the mean of the number of pounds that they were overweight…

A: It is given that the sample mean is 32 and the population standard deviation is 4.1.

Q: For a random sample of 55 overweight men, the mean of the number of pounds that they were overweight…

A: Given,sample size(n)=55sample mean(x)=32standard deviation(σ)=4.1α=1-0.90=0.1α2=0.05z0.05 =1.645

Q: A research scientist wants to know how many times per hour a certain strand of bacteria reproduces.…

A:

Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…

A: The objective of this question is to calculate the 95% confidence interval for the number of…

Q: A research company desires to know the mean consumption of meat per week among people over age 32.…

A:

Q: The number of television sets coming off a production line each day is known to have a standard…

A:

Q: A professor wants to estimate how many hours per week her students study. A simple random sample of…

A:

Q: You measure 23 dogs' weights, and find they have a mean weight of 68 ounces. Assume the population…

A:

Q: A research scholar wants to know how many times per hour a certain strand of virus reproduces. The…

A: It is given that,Sample mean = 11.3.Population standard deviation, sigma is 2.3.The sample size, n…

Q: Step 1 of 4: State the null and alternative hypotheses for the test. Step 2 of 4: Compute the value…

A: Here given  A medical researcher wants to compare the pulse rates of smokers and non-smokers. He…

Q: The results of a common standardized test used in psychology research is designed so that the…

A: Consider X be a random variable which follows normal distribution indicating the score earned on a…

Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…

A: Given: x¯=5.4s=2.2n=64 The degrees of freedom is obtained as below: df=n-1=64-1=63 The value of t*…

Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…

A: Solution: Let X be the number of chocolate chips per cookie for Big Chip cookies. From the given…

Q: vey of 9 social networking sites has a mean of 13.74 million visitors for a specific month. The…

A: As the population standard deviation is not known, we will use t distribution.Degrees of freedom are…

Q: A statistics teacher taught a large introductory statistics class, with 500 students having enrolled…

A: Given: μ=78σ=10n=25x¯=83

Q: You are interested in estimating the the mean weight of the local adult population of female…

A:

Q: The average IQ of a population is 100. A researcher wants to test whether a new medicine 'Think…

A:

Q: Assume researchers are trying to find out the mean concentration levels of a specific drug in a…

A:

Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…

A: It is given that sample mean is 8.2 and the standard deviation is 1.9.

Q: recent survey of 7 social networking sites has a mean of 13.47 million visitors for a specific…

A: We need to construct the 99%99\%99% confidence interval for the population mean μ\muμ. The following…

Q: A researcher wants to estimate the mean blood cholesterol level of young men ages 15-25 with a 90.1%…

A:

Q: A statistics teacher taught a large introductory statistics class, with 500 students having enrolled…

A: Given, The null and alternative hypothesis. and population mean and standard deviation. also Sample…

Q: A research company desires to know the mean consumption of meat per week among males over age 49.…

A: Confidence interval =90%                                   =90/100…

Q: A research company desires to know the mean consumption of meat per week among people over age 43.…

A:

Q: A research company desires to know the mean consumption of meat per week among people over age 29. A…

A: Given information Sample size n = 2092 Sample mean x̅ = 2.9 pounds Population standard deviation σ =…

Q: Find a 90% confidence interval for the population mean age of the Smurfs if a sample of 52 smurfs…

A: It is given that, There is a random sample of size 52 and has a mean of 49.7 and the standard…

Q: When 40 people used Weight Watchers for one year, their mean weight loss was 3.0 lbs and their…

A: The test hypotheses are given below: H0:μ=0 lbsHa:μ>0 lbs From the given information, the…

Q: researcher is interested in finding a 95% confidence interval for the mean number Minutes students…

A:

Q: shoppers at the mall spend the same amount of money on average the day after Thanksgiving compared…

A: Given that    Sample sizes n1=56      , n2=43       Sample means X̄1= 145     , X̄2=123    , ?1 =46…

Q: Karen wants to advertise how many chocolate chips are in each big chip cookie at her bakery . She…

A:

Q: Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…

A: Given mean of 5.9 standard deviation of 3.4.

Q: Do shoppers at the mall spend the same amount of money on average the day after Thanksgiving…

A: The sample size for first sample is 55, with sample mean 141, and sample standard deviation 47, and…

Q: Previous research has shown that the mean number of ballpoint pens Americans use per year is 4.3…

A: Given that  Sample size n =20 Population mean =4.3 Population standard deviation =1.17 Sample mean…

Q: The dean randomly selected 33 students who took the calculus final exam and looked at their scores…

A: