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1. An SRS of size 10 is drawn from a population that has a normal distribution. The sample has a mean of 111 and a standard deviation of 4.
Give the standard error of the mean___.
2.What is the value of t*, the critical value of the t distribution for a sample of size 10, such that the probability of being greater than t* is 1%?
t* =
3.What is the value of t*, the critical value of the t distribution for a sample of size 26, such that the probability of being greater than t* or less than -t* is 1%?
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Major hurricane will strike the U.S. mainland, b) at most one major hurricane will strike the U.S. mainland, and c) more than one major hurricane will strike the U.S. mainland.
a new grug had a potency advertised at 75. given the following smaple datan25x bar 76.6s1a check manufacturers claim
A researcher wishes to estimate with 95% confidence, the proportion of adults who have high speed internet. Her estimate must be accurate within 2% of the true proportion. a) Find the minimum sample size needed using the previous study that sh..
Provide free: fax assistance for the residents of this city, use the binomial approximation to the hyper geometric to find the probability that at least 3 women arc selected.
Enzymatic method: 13.1, 12.7, 12.6, 13.3, 13.3. GC method: 13.5, 13.3, 13.0, 12.9. Does the enzymatic method give the same value as the GC method at the 95% confidence level?
consider a population having a standard deviation equal to 9.90. we wish to estimate the mean of this population.a.how
Suppose that, from a population of 75 bank accounts, we want to take a random sample of six accounts in order to learn about the population. How many different random samples of six accounts are possible?
The probability that an individual is left-handed is 0.1. In a class of 30 students, what is the probability of finding at least five left-handers?
questionthe table below gives two samples selected from 10 supermarkets of the weekly sales of a popular soft drink.
A consumer watchdog agency selects a random sample of 40 taxpayers. What is the standard error of the mean? What is the likehood the sample mean is greater than 320 minutes?
What is the conditional probability of a manager in the Division of Community Services reporting workplace sexual harassment?
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