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Category > Accounting Posted 29 Aug 2017 My Price 11.00

Approximately 10.3% of American high school students drop out of school before graduation, statistics homework help

Question description

 

9. Approximately 10.3% of American high school students drop out of school before graduation. Choose 10 students entering high school at random. Find the probability that all 10 stay in school and graduate. Round your answer to the nearest thousandth.

10. Approximately 10.3% of American high school students drop out of school before graduation. Choose 10 students entering high school at random. Find the probability that no more than two drop out. Round your answer to the nearest thousandth.

11. In a survey, 3 of 4 students said the courts show "too much concern" for criminals. Find the probability that at most 3 out of 7 randomly selected students will agree with this statement. Round your answer to the nearest thousandth.

12. A burglar alarm system has six fail-safe components. The probability of each failing is 0.05. Find the probability that fewer than two will fail. Round to the nearest thousandth.

13. Approximately 10.3% of American high school students drop out of school before graduation. Choose 10 students entering high school at random. Find the probability that at least 6 graduate. Round your answer to the nearest thousandth.

14. The percentage of couples where both parties age in the labor force is 52.1. Choose five couples at random. Find the probability that more than three of the couples will have both persons in the labor force. Round your answer to the nearest thousandth.

15. The percentage of couples where both parties age in the labor force is 52.1. Choose five couples at random. Find the probability that fewer than 2 of the couples have both parties working. Round your answer to the nearest thousandth.

16. Mars, Inc., claims that 16% of its M&M plain candies are blue. A sample of 100 M&Ms is randomly selected. Find the mean number of M&Ms that are not blue in such groups of 100.

17. Mars, Inc., claims that 16% of its M&M plain candies are blue. A sample of 100 M&Ms is randomly selected. Find the standard deviation of the number of M&Ms that are not blue in such groups of 100. Round your answer to the nearest tenth.

Answers

QuickHelper
(10)
Status NEW Posted 29 Aug 2017 05:08 PM My Price 11.00

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