Mathematics

Mathematics, 13.10.2019 00:50, Orabah

Use a proportion to find 70% of 34.

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Mathematics, 19.07.2019 20:30, kalbaugh

Agenetics experiment involves a population of fruit flies consisting of 1 male named bart and 3 females named charlene, diane, and elaine. assume that two fruit flies are randomly selected with replacement. after listing the possible samples and finding the proportion of females in each sample, use a table to describe the sampling distribution of the proportion of females. a. proportion of females probability 0 0.5 1 (type integers or fractions.) b. find the mean of the sampling distribution. (round to two decimal places as needed.) c. is the mean of the sampling distribution (from part (b)] equal to the population proportion of females? if so, does the mean of the sampling distribution of proportions always equal the population proportion? oa. no, the sample mean is equal to the population proportion of females. these values are not always equal, because proportion is a biased estimator. o b. no, the sample mean is equal to the population proportion of females. these values are not always equal, because proportion is an unbiased estimator o c. yes, the sample mean is equal to the population proportion of females. these values are because proportion is a biased estimator. o d. yes, the sample mean is equal to the population proportion of females. these values are always equal, because proportion is an unbiased estimator. always equal, click to select your answer(s). ?

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Mathematics, 25.07.2019 06:00, fseftrwer2522

Which statement explains how to find 75% of 108? answer choices set up the proportion 75108=x/100 set up the proportion 75100=x/108 set up the proportion 75100=108/x set up the proportion 108100=x/75

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Mathematics, 22.09.2019 16:50, aprilnicky4110

You randomly observe purchases at a candy store and record the weight of each bag of candy with 100 different customers. you find the proportion of weights greater than 2 pounds. is investigating this sample proportion the same as investigating the sampling distribution of the proportion?

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Mathematics, 30.09.2019 19:20, dirttrackr75

Which questions best describes: a tire manufacturer has a 60,000 mile warranty for tread life. the manufacturer considers the overall tire quality to be acceptable if less than 5% are worn out at 60,000 miles. the manufacturer tests 250 tires that have been used for 60,000 miles. they find that 3.6% of them are worn out. with this data, we test the following hypotheses. h 0: the proportion of tires that are worn out after 60,000 miles is equal to 0.05. h a: the proportion of tires that are worn out after 60,000 miles is less than 0.05. in order to assess the evidence, which question best describes what we need to determine? group of answer choices if we examine a sample of tires used for 60,000 miles and determine the proportion that are worn out, how likely is that proportion to be less than 5%? if we examine a sample of tires used for 60,000 miles and determine the proportion that are worn out, how likely is that proportion to be 3.6% or less? if we examine the proportion of worn out tires in the population of tires used for 60,000 miles, how likely is that proportion to be 5%? if we examine the proportion of worn out tires in the population of tires used for 60,000 miles, how likely is that proportion to be less than 5%? if we examine the proportion of worn out tires in the population of tires used for 60,000 miles, how likely is that proportion to be 3.6%?

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