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04/10/20

A Type II error occurs when

a. we correctly reject the alternative hypothesis.b. we incorrectly fail to reject the alternative hypothesis.c. we correctly fail to reject the alternative hypothesis.d. we incorrectly reject the... more

04/10/20

Give the values of the test statistic, and the p-value.

in the 90's the mean number televisions in a household was 2.1.A sociologist believes that this number has increased significantly in the last 20 years. 50 households are randomly sampled in 2020.... more

02/27/20

Find the present value of $10,000 if interest is paid at a rate of 9% per year, compounded semiannually , for 3 years .

Also looking on how to get the compounded semiannually

Unit 11 Test Probability & Statistics

The odds of winning a game at the carnival are 3 in 7. If Liza plays the game nine times, what is the probability that she wins exactly two times?

12/14/19

Statistics r105 M&W

A particular fruit's weights are normally distributed, with a mean of 259 grams and a standard deviation of 12 grams.If you pick one fruit at random, what is the probability that it will weigh... more

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