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If a player rolls two dice and get a sum of 3 and 11, she wins 30. if the person gets 7 she wins 15. the cost to play the game is 3. Find the expectation of the game.
Similar survey of student population 10 years ago found that coffee shop was favoured by 20% of students, and pizza and hamburger were each preferred by 40% of the students. Determine the expected frequencies for chi-square test.
A radio station in Myrtle Beach announced that at least 90% of the hotels and motels would be full for the Memorial Day weekend. The station advised listeners to make reservations in advance if they planned to be in the resort over the weekend.
Is 0.21, the probability that his wife will vote in the referendum is0.28, and the probability that both the husband and wife will voteis 0.15. What is the probability that: at least one member of a married couple will vote?
To find out the probability that the age of a randomly selected CEO. The average age of CEOs is 56 years. Suppose the variable is normally distributed.
What is the probability that at least two men arrive before the second woman arrives and what is the probability that six fishes bite during the first two hours and what is the probability that he fails to catch any fishes during the first two hours?
When assigning probabilities of two simple events, can we assume that each event is always equally likely to occur and, thus assign .5 to each event?
question based on comparing the computed chi square with the critical value for chi square which if the following is
The data indicate a significant relationship between schizophrenia and the season of birth?
Suppose that in NY State, 35% of voters are Democrats, 30% are Republicans, and 11% are independent. You are conducting a poll by randomly calling registered voters. In your first four calls, what is the probability that you talk to:
Compare the three designs on speed of completion, the builder randomly selects 10 homes that he built in the past based on each of the three designs.
According to a recently conducted survey, 90% of all drivers in Trinidad and Tobago claim to consistently driver over the legal speed limit.
A description of how you believe statistics can enrich and represent the results of a study, and an explanation of how statistics can be used to misrepresent the results of a study.
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