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Question: The weights of packets of cookies produced by a manufacturer have a normal distribution with mean 202 grams and standard deviation 3 grams. What is the weight that should be written on the packet so that only 1 percent is underweight?
A mean of 68 years and a standard deviation of 3.5 years. Find the age at which payments have ceased for approximately 86% of the plan participants.
What percent of the sales representatives earn more than $42,000 per year? What percent of the sales representatives earn between $32,000 and $42,000?
hypothesis test for dependent samples.a survey of 50 clientsin january 08 fifty clients of a county mental health
question 1.the average annual salary for all u.s. teachers is 29863. assume that the distribution is normal and the
Use the .02 significance level. 2. The decision rule is to reject H0 if Z greater than ___? 3. Compute the value of the test statistic. The test statistic is Z=___. 4. What is the p value?
Assuming the weight of cereal is normally distributed, determine the likelihood that a package will contain more that 12.2 ounces?
Suppose you are a researcher who has collected and analyzed a sample of values. When you perform a hypothesis test the p-value is calculated to be 0.051. Would you reject or fail to reject the null hypothesis? Defend your choice.
The regular fuel consumption is based on the plane carrying the minimum amount of fuel. If more than this is carried, the amount of fuel consumed is higher. Specifically, for each 1,000 gallons of fuel above the minimum, 5% (or 50 gallons per 1,000 g..
Costs of Television: Listed below are prices (in dollars) and quality rating scores of rear-projection televisions. All of the televisions have screen sizes of 55 or 56 inches.
Reccomend asprin for their patients with children Conduct a hypothesis test using the P-Value method. What conclusions would you make when a=o.2 and a=0.02.
Assign probabilities to the sample points and then find the probability that the first envelope purchased contains less than $100.
The athletic director claims that the atendance is the same as last year. What is the test value needed to evaluate the claim?
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