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John Carpenter is considering investing some money he won at a game show. The following payoff table gives the profits that would be realized during the next year for each of three investment alternatives John is considering:State of NatureDecision Alternative Good Economy Poor EconomyStock market 80,000 -20,000Bonds 30,000 20,000CDs 23,000 23,000Probability 0.5 0.5a. What decision would maximize expected profits?b. What is the maximum amount that should be paid for a perfect forecast of the economy?
Customers arrive to the company at a rate, on average, of one per hour with a Poisson distribution. The company is staffed by a single individual(the owner) who takes on average 30 minutes with each customer with a standard deviation of 15 minute..
Temperature is used to measure the output of a production process.When the process is in control, the mean of the process is = 128.5. Construct the x chart for this process if samples of size 6 are to be used.
If the answer choices for each question are equally likely, find the probability of answering more than 4 questions correctly.
If the contents in the population of all cans follow a normal distribution, what is the probability that the mean contents of a six-pack are less than 12 oz?
Suppose you found that in doing the hypothesis test, you were able to reject the null hypothesis. What is the most appropriate conclusion to draw?
Three coins are tossed simultaneously, consider the event E "Three heads or three tails" F " At least two heads" and G "Atmost two heads " of the pairs (E,F), (E,G) and (F,G), which are independent? Which are dependent?
Suppose the population standard deviation is 350 kilowatt hours. Determine the standard error of the mean. With a .95 probability, determine the margin of error.
Given that the pair of hypotheses that correspond to the claim are H0=500. Find the critical value for the hypothesis test.Assume that the level of significance is 0.02.
Calculate the measures of central tendency, dispersion, skew for your data. Display your descriptive statistical data using graphic and tabular techniques. Frequency distribution, Histogram.
Explain and give an example of: z-tests, t-tests, single sample t-tests, a dependent sample t-test, or an independent sample t-test.
A coin was flipped twenty times and landed heads fifteen times. Based upon this information, answer the following the question:
Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.
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