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Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.
State the null and alternative hypotheses.
A.H0: p ≤ .79, H1: p > .79 B.H0: p = .79, H1: p ≠ .79 C.H0: = .79, H1: > .79 D.H0: μ = .79, H1: μ > .79
A certain tennis player makes a successful first serve 75% of the time. Assume that each serve is independent of the others. If she serves 5 times, what's the probability she gets:
Firm A and Firm B are the only competitors in market. Each has to decide what price to set for its product. Once prices are set, they cannot be changed for year. Both companies set prices at the same time.
Consider the following data for a simultaneous move ggiven: If you advertise and your rival advertises, you will each earn 5 million dollar in profits.
In an experimental study of the effects of exercise on stress, participants are randomly assigned to either the no exercise or the exercise conditions. Identify what type of study this is-between-, within-, or matched-participants. In addition, id..
Use the given payoff matrix for a simultaneous move one shot game to answer the accompanying questions.
Calculate the right-hand-side of constraint 1 to 11 (instead of 10) and solve the problem. How much did the profit increase as a result of this?
A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean.
Two players, Ben and Diana, can choose strategy X or Y. If both Ben and Diana choose strategy X, every earns a payoff of $1000.
Ken and Gerard are roommates for a weekend and have succeeded in making their living quarters cluttered in very little time.
Assume that JVC is trying to decide how to rate a new stereo system composed of a receiver, CD player, & speakers. The firm's economists have estimated that 2-different groups will buy these products
Little Kona is a small coffee corporation that is planning entering a market dominated through Big Brew. Each corporation's profit depends on whether Little Kona enters and whether Big Brew sets a high price or a low price.
Determine the solution to the given advertising decision game between Coke and Pepsi, assuming the companies act independently.
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