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The Skateworld Company operates ice rinks in several major cities throughout the United States. During each session of open skating, one customer is selected at random to receive a free pass for a future open skating session. At a recent session there were 150 males and 130 females skating.
What is the probability that the person selected for the free pass will be female?
Referring to part 1, what method of probability assessment is used to determine the probability?
Suppose the company decides to give free passes to two separate customers. Are the events that a female received the first pass and a male received the second pass independent? Why or Why not?
A coin is flipped e times and heads (h) or tails (t) are recorded:
A point Y is selected at random from interval (0,1). Then another point X is chosen at random from the interval (0,Y). Find probability density function for X.
Under what circumatances do you use a one-sided confidence interval instead of a 2 sided confidence interval?
The Acme Candy Company claims that 8% of the jawbreakers it produces actually result in a broken jaw. Suppose 9571 Persons are selected at random from those who have eaten a jawbreaker produced at at Acme Candy Company. Would it be unusual for thi..
What is the probability of getting someone who is in the 23-30 age brackets or whom smokes?
Find the probability that 665 or fewer college students in the sample send and receive text messages with their phones? Is this result unusual?
Create Gantt chart using MSP. Suppose the 5 day workweek, compute critical path of the project.
Find out coefficient of correlation between variables. Interpret the value.
Determine for each variable if it is the explanatory variable, the response variable, or whether it could be both.
From an inventory of 48 cars being shipped to local automobile makers, 12 have defective radios installed. What is the probability that one particular dealership receiving 8 cars will find 2 radios being defective? Make assumptions if necessary.
Which test should we use to determine whether the difference between Mesa and Tempe is statistically significant? Why? Should it be one or two-tailed?
Suppose you want to estimate the sample size for a multiple correlation analysis. There are five predictors in your study.
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