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Job Interviews: Based on information from MRINetwork, some job applicants are required to have several interviews before a decision is made. The number of required interviews and the corresponding probabilities are: 1 (0.09); 2 (0-31); (0.37); 4 (0.12); 5 (0.05); 6 (0.05).
Are number of toilet breaks and amount of beverage consumed related? Describe how? Provide the value of statistic and probability value.
The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed,
Determine standard normal area for each of the following: Standard normal area P(1.22
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
Taking α to be 0.05, what is/are the critical values associated with testing your hypothesis?
If we repeated this procedure many, many times, only 5 percent of the 95 percent confidence intervals would fail to include the mean Math SAT score of the population of all students at this college.
A concessionaire for the local ballpark has made a table of conditional values for the different alternatives also states of nature
All else being equal, what occurs to your confidence interval when you increase value of alpha?
The results for college x was a mean of 5 hours and an estimated population variance of 2 hours: for college y, m= 4, s 2 =1.5; and for college Z, M= 6, s 2 =2.5 what should you conclude? Use the .5 level.
Strongly support, support, no opinion, do not support, strongly do not support. The number of people in each category was recorded.
How does your sample compare to this theoretical distribution of sample means and what are the mean, variance, and standard deviation of the observations in your sample?
At the 5% level of significance, can we infer that branch A has a significantly higher proportion of satisfied customers than branch B?
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