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A production process produces 90% non-defective parts. A sample of 10 parts from the production process is selected.
a. What is the probability that the sample will contain 7 non-defective parts?b. What is the probability that the sample will contain at least 4 defective parts?c. What is the probability that the sample will contain less than 5 non-defective parts?d. What is the probability that the sample will contain no defective parts?
What is the probability that a subscriber rented a car during the past 12 month for business or personal reasons?
What is the probability that an individual shopper spends between $17.25 and $21.60 on impulse buys?
At the 0.05 level of significance, test whether the mean baseline body mass index for the population of middle aged men who develop diabetes is equal to 24.0 kg/m 2 , the mean for the population of men who do not. What is the p-value of the test?
What is the probability that an individuals clotting time will be more than 3 seconds and less than 11? Assume a normal distribution
Write down a paragraph about the normal distribution. In the paragraph give an example of a distribution that you would judge to be nearly normal and explain why you have made that conclusion.
What is the probability that a U.S. user who downloads music, selected at random, obtained it from either the United States or Canada.
Hagger Engineering Corporation is considering undertaking several proposed projects for the next fiscal year. The projects, the number of engineers and the number of support personnel necessary for each project.
A financial analyst wants to compare the turnover rates, I percent, for shares of oil-related stocks versus other stocks, such as GE and IBM. She selected 32 oil related stocks and 49 other stocks.
An auditor for a Health Maintenance service of Georgia reports 40% of policyholder 55 years or older submit a claim during the year. Fifteen policyholders are randomly selected for company records.
Two mating parts have critical dimensions x1 and x2 as shown below. Assume that x1 and x2 are normally distributed with means 1 and mean2 and standard deviations s1 = 0.400 and s2 = 0.300.
A slot machine in Reno costs $1 to play. If the jackpot is $1,000 and the expected value is $ - 0.50 find the probability of winning.
Same survey showed that average length of time each store was in bbusiness is 6 years, with standard deviation of 25 years. Which is more variable, number of magazines or number of years.
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