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The article "Computer Assisted Net Weight Control" (Quality Progress, 1983: 22-25) suggests a normal distribution with mean 137.2 oz and standard deviation 1.6 oz for the actual contents of jars of a certain type. The stated contents was 135 oz. a. What is the probability that a single jar contains more than the stated contents? b. Among ten randomly selected jars, what is the probability that at least eight contain more than the stated contents? c. Assuming that the mean remains at 137.2, to what value would the standard deviation have to be changed so that 95% of all jars contain more than the stated contents?
What is the probability that you end up with an A? (Enter your answer to three decimal places.)
a standard 52-card deck is shuffled and 2 cards are picked without replacement from the top of the deck. the
Suppose you went to the Bureau of Labor Statistics web site and found several predictors of your salary. State three possible predictors and a simulated multilinear regression equation along with their p-values.
Find the point estimate of the population mean, calculate Standard deviation/√n and calculate Z (subscript-alphasymbol/2) interval for the 95% confidence level.
if you had the chance to set up a simple experiment at your workplace to test a hypothesis would you have your research
Prepare a data spreadsheet with three columns: Date, High Temperature, and Low Temperature. List the past 60 days for which data is available. Prepare ahistogram for the data on high temperatures and comment on the shape of the distribution as ob..
use the given information to find the minimum sample size required to estimate an unknown population mean micro.margin
1. an investment counselor calls witrh a hot stock tip. he believes that if the economy remains strong the investment
explain how the power of a hypothesis test is influenced by each of the following. assume that all other factors are
One state lottery has 300 prizes of $1, 65 prizes of $10, 18 prizes of $75, 6 prizes of $325, 2 prizes of $1000, and 1 prize of $2000. Assume that 32,000 lottery tickets are issued and sold for $1.
mean is calculated for each sample, then the average distance between M and u would be:
Find the empirical probability that an iris bulb of this type will bloom. Give answer as a fraction in lowest terms. How many of the bulbs should she plant next fall if she would like at least 52 to bloom?
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