According to a recent survey, the salaries of assistant professors have a mean of $41,750 and...

According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a standard deviation of $8000. Assuming that the salaries of assistant professors follow a normal distribution, find the proportion of assistant professors who earn at most $45,000. Round your answer to at least four decimal places.

Expert Solution

orchestra answered 1 year ago

Salaries for new assistant professors at State College are normally distributed with a mean of $80000 ...

Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $9000 . We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X¯ be the average salary of 20 randomly selected teachers. (2%) X∼ (pick one) BinomialNormalPoissonUniform ( , ) . (3%) X¯∼ (pick one) BinomialNormalUniformPoisson ( , ) . (3%) Find the probability that an individual teacher earns...

Salaries for new assistant professors at State College are normally distributed with a mean of $50000...

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Suppose the mean salary for assistant finance professors in the United States is believed to be...

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2. Starting salaries. You are planning a survey of starting salaries for recent computer science majors....

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1. A recent survey reported in BusinessWeek dealt with the salaries of CEOs at large corporations...

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Here are the salaries for a sample of professors in a mathematics department at a large...

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According to a recent report, 47% of college student internships are unpaid. A recent survey of...

According to a recent report, 47% of college student internships are unpaid. A recent survey of 100 college interns at a local university found that 52 had unpaid internships. a. Use the five-step p-value approach to hypothesis testing and a 0.10 level of significance to determine whether the proportion of college interns that had unpaid internships is different from 0.47. b. Assume that the study found that 59 of the 100 college interns had unpaid internships and repeat (a). Are...

According to a recent report, 46% of college student internships are unpaid. A recent survey of...

According to a recent report, 46% of college student internships are unpaid. A recent survey of 60college interns at a local university found that 34had unpaid internships. a. Use the five-step p-value approach to hypothesis testing and a 0.05level of significance to determine whether the proportion of college interns that had unpaid internships is different from 0.46 b.Assume that the study found that 37of the 60college interns had unpaid internships and repeat (a). Are the conclusions the same? a. Let...

According to a recent report, 48% of college student internships are unpaid. A recent survey of...

According to a recent report, 48% of college student internships are unpaid. A recent survey of 100 college interns at a local university found that 52 had unpaid internships. a. Use the five-step p-value approach to hypothesis testing and a 0.10 level of significance to determine whether the proportion of college interns that had unpaid internships is different from 0.48. b. Assume that the study found that 59 of the 100 college interns had unpaid internships and repeat (a). Are...

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