27. A survey conducted by the marketing department of Black Flag asked whether t

Question

27. A survey conducted by the marketing department of Black Flag asked whether the purchasers of a new type of roach disk found it effective in killing roaches. Seventy-nine percent of the respondents agreed that the roach disk was effective. The number 79% is A) parameter B) population. C) statistic D) sample. 28. A basketball player makes 160 out of 200 free throws. We would estimate the probability that the player makes his next free throw to be A) 0.16. B) 50-50. Either he makes it or he doesn't. C) 0.80. D) 1.2 29. In a particular game, a fair die is tossed. If the number of spots showing is either 4 or 5 you win $1; if the number of spots showing is 6 you win $4; and if the number of spots showing is 1, 2, or 3, you win nothing. If it costs you $1 to play the game, the probability that you win more than the cost of playing is A) 0

Explanation / Answer

27. The sample is the respondents and 79% is a

c) statistic.

28. Probability that the player makes next free throw

= 160 / 200

= 0.80 which is given in C)

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