A random sample of 10 shipments of stick-on labels showed the following order sizes.   10,520 56,910 52,454 17,902 25,914 56,607 21,861 25,039 25,983 46,929 Construct a 95 percent confidence interval for the true mean order size. (Round your standard deviation answer to 1 decimal place and t-value to 3 decimal places. Round your answers to the nearest whole number.)

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 118…

A: Given,mean(μ)=118standard deviation(σ)=15

Q: In a random sample of 36 criminals convicted of a certain crime, it was determined that the mean…

A:

Q: Sixty percent (60%) of all computers sold by a large computer retailer are laptops. (The remaining…

A: From the provided information,60% of all computers sold by a large computer retailer are laptops…

Q: The weights of packs of chewing gum for a certain brand have a mean of 47.1 grams and a standard…

A: Positive z score shows the number of z Sd above the mean or heavier than the mean by z standard…

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A:

Q: A doctor compares three treatments for arthritis. He uses three samples, each of size six, in the…

A: We have given that  Three treatment  and each treatment having six size .

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: GivenMean(μ)=117standard deviation(σ)=45sample size(n)=40

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: Given : μ = 130 σ = 55 n = 11 a. x¯ ~ N( μ = 130, σ = 55 )  x¯ ~ Nμ = 130, σn = 16.5831

Q: Construct the confidence interval for the ratio of the population variances given the following…

A:

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A:

Q: A sample of 49 managers reveals a sample mean of $45,420. The standard deviation of the samp is…

A: As the population standard deviation is not known, we will use t-distribution. The number of degrees…

Q: Suppose that the number of Facebook friends users have is normally distributed with a mean of 128…

A:

Q: Suppose that the number of Facebook friends users have is normally distributed with a mean of 135…

A: Introduction: Define X as the random variable of interest here, denoting the number of friends that…

Q: A statistician recorded the heights of every person in a U.S. university, summed all heights, and…

A: Given that: A statistician recorded the heights of all individuals in a US university. Then summed…

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: We have to find  correct answer..

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: We have to find out given probability..

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: given data normal distribution μ = 150σ = 58n = 48

Q: . Let 12.3, 10.5, 11.3, 12.8, 9.6, 5.3 and 8.4 the times in seconds needed for downloading 7 files…

A: Given data  12.3, 10.5, 11.3, 12.8, 9.6, 5.3 and 8.4  t=2.45

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A:

Q: The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 68…

A:

Q: A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall:…

A: Obtain the 98% confidence interval for the average amount spent by 9 to 11 year olds on a trip to…

Q: 26 randomly selected students took the calculus final. If the sample mean was 90 and the standard…

A:

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 120…

A: Given Information: Mean μ= 120 Standard deviation σ= 24 Someone qualifies as having Stage 2 high…

Q: The plant manager is concerned his equipment may need recalibrating. It seems that the actual weight…

A: Using excel function, =AVERAGE(data values) and =STDEV.S(Data values), we get:

Q: Suppose that the number of Facebook friends users have is normally distributed with a mean of 126…

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

Q: . A sample of 84 WCC students found mean age 24.7 years old with standard deviation 7.9 years old.…

A:

Q: For a group of 15 men subjected to a stressful situation, the mean number of heartbeats per minute…

A: Sample size (n) = 15Sample mean (x̅) = 126Standard deviations (s) = 4 Significance level (α) = 1-…

Q: A hospital orders surgical supplies using a fixed order interval system. Suppose that just prior to…

A:

Q: Suppose that the number of Facebook friends users have is normally distributed with a mean of 127…

A: 1. Let x¯ be the average number of Facebook friends users which follows normal distribution. The…

Q: You are interested in finding a 91% confidence interval for the average number of miles that…

A:

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: Since, the distribution of X follows normal distribution, the sampling distribution of sample mean…

Q: A teacher gives the following assignment to 200 students: Check the local newspaper every morning…

A: Given that: Population mean, μ=85 Population standard deviation, σ=8

Q: The following measurements (in picocuries per liter) were recorded by a set of argon gas detectors…

A: From the provided information, The data values are as follow: 203.6,   185.9,    199,     178.7…

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: Mean(µ) = 145Standard deviations (σ) = 53 Sample size (n) = 18

Q: A survey of several 8 to 10 year olds recorded the following amounts spent on a trip to the mall:…

A: Solution: Let X be the amount spent by 8 to 10 year olds on a trip to the mall. The given data is…

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A:

Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A:

Q: na random sample of 41 criminals convicted of a certain crime, it was determined that the mean…

A: Given that mean =62 ,s.d =11 ,n =41

Q: About 13% of the population has blue eyes. 1700 people are randomly selected. a. Find the mean…

A: It is given that About 13% of the population has blue eyes i.e. probability that a population has…

Q: A grocer finds that the cantaloupes in his store have weights with mean 0.7 kg and standard…

A: Given, Mean weight of cantaloupes is 700 gm. Standard deviation is 53 gm

Q: The average McDonald's restaurant generates $3.6 million in sales each year with a standard…

A: In this question given that survey of 27 restaurant Find out a null and alternative hypothesis…

Q: A certain species of tree has an average height of 22 ft with a standard deviation of 3 ft.  Which…

A: It is given that the mean is 22 and the standard deviation is 3.

Q: Suppose that the number of points scored in a game comes from a normal population with an average of…

A: Here points scored follows Normal distribution with mean 12 and SD 9. Here we need to use the…