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Question: Test the claim that 14% of a candy makers candies are red. Use a 0.05 significance and the table to answer the following questions:
A: what is the test statistic
B: What is the z-value
C: What is the critical values D: What is the P -value
E: reject or not reject the null hypothesis why or why not
What is the probability of a customer being sold an underweight bag of sugar and find the Z score corresponding to the bottom 4% of the N(0,1) distribution.
Assuming the population of Math SAT scores for seniors in the district is approximately normally distributed, a 90% confidence interval for the mean Math SAT score μ for the population of seniors computed from these data is?
They have collected data on gender, shoe size, and height to see if they can change their business model to include only one size of shoes regardless height or gender of the wearer.
the probability is 1 in 4 million that a single auto trip in the US will result in a fatality. Over a lifetime, an average driver takes 50,000 trips. What is the probabiltiy of a fatal accident over a lifetime. Explain.
Suppose that you are the director of an insurance adjustment office. Your office has just received 140 insurance claims to be processed in the next few days half or more of the claims have been padded.
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02.
The lapping process, which is used to grind certain silicon wafers to the proper thickness, is acceptable only if 'sigma', the population standard deviation of the thickness of dice cut from the wafers, is at most 0.50 mil.
This is an example of a Binomial probability experiment; This is neither a Poissonnor a Binomial probability experiment; Not enough information to determine the type of experiment.
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level. State the decision rule.
A medical research project examined the relationship between the subject's weight and recovery time from surgical procedure, as shown in the table below.
Telephone calls enter a college switchboard at a mean rate of 2/3 call per minute according to Poisson process. Let X denote the waiting time until the tenth call arrives. what are the moment-generating function, mean and variance of X?
Suppose the average value of P is $ 3 and average value of Po is $ 6. Determine the price elasticity at average values of P and Po?
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