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Allegiant Airlines charges a mean base fare of $88. In addition, the airline charges for making a reservation on its website, checking bags, and inflight beverages. These additional charges averages $38 per passenger. Suppose a random sample of 70 passengers is taken to determine the total cost of their flight on allegiant airlines.The population standard deviation of total flight cost is known to be $36 use z-table.
What is the probability the sample mean will be within $10 of the population mean cost per flight (4 decimals)
What are the chances that a person drawn at random from his stats class will drink fewer than 5 caffeinated beverage?
What is the probability of B? What is the probability of the intersection of A and B
Healthy Taste LLC is a healthy Thai restaurant in San Diego California United States. That will offer consumers quality, healthy and nutritious Thai cuisine
Develop a 95% confidence interval for average yearly income of all pilots. Determine a 95% confidence interval estimate for mean weight of the carry-on luggage.
Construct a 99% confidence interval on the difference of the average ages for the viewers of the two TV programs. How can you interpret this interval?
Under what circumstances must a nonparametric test be used? Explain. What are the strengths and weaknesses of nonparametric tests?
A teacher wants to estimate the average pa of all teachers in a district. She wants to be 95% sure her estimate is correct. The standard deviation is $1,000, how large must her sample be to be accurate within $200?
The average number of pounds of meant a person consumes a year has been shown to be at 218.4 pounds. Assume the standard deviation is 25 pounds.
Consider a game in a gambling casino that pays off with probability 0.40. Yesterday 42,652 people played, and 17,122 won.
Meagan Dubean manages a portfolio of 200 common stocks. Her staff classified the portfolio stocks by 'industry sector' and 'investment objective. If x is a binomial random variable with n=8 and p=0.6, what is the probability that x is equal to 4?
If the null hypothesis is rejected, can you state that the mean score of those with a rural background is different from the score of those with a large-city background?
A sample of 53 patients who had the same knee surgery did physical therapy two times per week resulting in an average of 14.8 - week recovery time
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