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An airplane has 100 seats but the airline company sold 107 tickets to their customers. Assume that the probability for each customer to show up is 92%. (a) What is the probability that someone will be bumped out?
The sample correlation coefficient between x and y is 0.375. It has been found out that the p-value is 0.256 when testing H0: ρ = 0 against the two-sided alternative H1: ρ ≠ 0. To test H0: ρ = 0 against the one-sided alternative H1: ρ > 0 at a sig..
What percentage of personal checking account customers carry average daily balances in excess of $800? What percentage of the banks customers carries average daily balances below of $200?
In a supermarket 20% shoplifters usually get caught, if a random sample of 8 shoplifters is selected. Find the mean and variance of the distribution. What is the probability that 3 will get caught?
A certain random experiment can result in one of four different possible outcomes, which we'll call A, B, C and D.
A study was recently done in which 500 people were asked to point out their choices for one of three products. Following table illustrates the breakdown of responses by gender of the respondents.
Please perform a hypothesis test using a .05 significance level on the following information. Next please perform a regression analysis as well as providing a scattered diagram.
Assume a sample of 400 American adults were taken. Show the sampling distribution of the proportion of adults who balance their checkbook at least once a month.
Determine the shape of chi-square distribution?
To obtain the probability that the mean wage of 75 randomly selected workers will exceed $43,000
2% of the bolts manufactured by a company are defective, what is the probability that in a sample of 200 bolts 5 will be defective
Perform the five-step hypothesis test on the data. - LORA - this is the portion I am responsible for based on using the nonparametric hypothesis testing.
State the correct decision and give justification for your decision.
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