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The weight of a product is normally distributed with a standard deviation of .5 ounces. What should the average weight be if the production manager wants no more than 10% of the products to weigh more than 6 ounces?
Use α = 0.10 and assume that the population is normally distributed. Write a paragraph that interprets the test's decision.
the liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its
a clinical trial was conducted to test the effectiveness of the drug zipiclone for treating insomnia in older subjects.
If x is a binomial random variable where n=100 and p=.1, find the probability that x is less than or equal to 11 using the normal approximation to the binomial.
a manufacturer produces two types of computer monitors monochrome and color. past sales experience shows that at least
researchers can run t-tests on which type of variables?a a group variable and continuous variableb two criterian
Identify a business research topic and define the research questions for the identified problem or opportunity
A researcher conducted an experiment on the effects of a new multivitamin on energy level, with a control group (received nothing), a placebo group
1. The counselor calculates the unbiased estimate of the population's variance to be 15. What is the variance of the distribution of means?
a pair of dice is rolled 270 times. using the normal curve approximation what is the probability that a total of 7
A recent survey of 50 executives who were laid off from their previous position revealed it took a mean of 26 weeks for them to find another position.
in a tire factor the quality control inspector examines a randomly chosen sample of 15 tires. when more than one
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