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Give the conclusion about the given result of the hypothesis test
A research report summarizes the results of the hypothesis test by stating,"z = 2.13, p < .05." According to this report:
A. The null hypothesis was rejected and the probability of a Type I error is less than .05.
B. The null hypothesis was rejected and the probability of a Type II error is less than .05.
C. The null hypothesis was not rejected and the probability of a Type I error is less than .05.
D. The null hypothesis was not rejected and the probability of a Type II error is less than .05.
Find out the probability that: (a) The amount requested is between $65,000 or more?
Evaluate 2-month moving average and Exponential smoothing by MAD.
Find out the estimate of the population mean.The mean daily sales at the Stop and Go are $20,000 for a sample of 40 days. The standard deviation of the sample is $3,000.
By using significance level a = .05, and suppose a normal distribution what does evidence conclude?
the probability that a household is both prosperous and educated is P (A and B) = 0.082. What is the probability P (A or B) that the household selected is either prosperous or educated.
Show some work for each part. A diagram can be helpful. A survey of adults found the following: 65 percent of the adults drink coffee. 35 percent drink tea. 80 percent drink coffee or tea (or both). If we choose a surveyed adult at random, find t..
Since she is allowed to reserve one time if her first serve is out what should her serving strategy be?
The following study was developed by Economist Simon Fass. Fass surveyed a sample population of low-income households in St. Martin. The variables analyzed were monthly income per adult and choice of rental contract for housing.
Which is the estimated or dear proportion of defective cups in the population?
Explain finding value of test statistic and P-value also understand the result. At the .01 significance level can we compute that the mean fare has increased.
Suppose we drew a histogram of these 18 death rates using class intervals 1 — 1.9, 2 — 2.9, 3 — 3.9, 4 — 4.9 and 5 — 5.9. Using the histogram, we would
Twenty three percent of automobiles are not covered by insurance. On a particular weekend, 35 automobiles are involved in accident.
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