Mathematics, 22.02.2020 05:21 mattotto1758
Find ? in each case.
a. A fair die is rolled 30 times. X = number of times a 6 is rolled.
b. A company puts a game card in each box of cereal and 1/100 of them are winners. You buy ten boxes of cereal, and X = number of times you win.
c. Jack likes to play computer solitaire and wins about 30% of the time. X = number of games he wins out of his next 20 games.
Answers: 2
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According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.
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Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a
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Find ? in each case.
a. A fair die is rolled 30 times. X = number of times a 6 is rolled...
a. A fair die is rolled 30 times. X = number of times a 6 is rolled...
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