Automobile Insurance Premiums. The Onsure.com website reports that the mean annual premium for automobile insurance in the United States was $1503 in March 2014. Being from Pennsylvania at that time, you believed automobile insurance was cheaper there and decided to develop statistical support for your opinion. A sample of 25 automobile insurance policies from the state of Pennsylvania showed a mean annual premium of $1440 with a standard deviation of s = $165. a. Develop a hypothesis test that can be used to determine whether the mean annual premium in Pennsylvania was lower than the national mean annual premium.

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A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

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A: The random variable is fitness scores. Fitness scores are from normally distributed. We have to use…

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A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

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A: The null hypothesis is, H0: There is no difference in the means of diets. The alternative…

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A: Given Let X be distribution of salaries of teachers.mean of $49000 and standard deviation of $5500.…

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A:

Q: Most graduate schools of business require applicants for admission to take the Graduate Management…

A: From the provided information, Mean (µ) = 527 Standard deviation (σ) = 112 X~N (527, 112) Here X be…

Q: The Insure.com website reports that the mean annual premium for automobile insurance in the United…

A: Given n=sample size=25x¯ =sample mean= $1425s=sample standard deviation= $170 a) The null and…

Q: In a study of Ridge View's boys' basketball team, the average height is 68 inches and standard…

A: Given, mean =μ=68Standard deviation = 4x = 78

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A:

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Q: Nationally, the per capita monthly fuel oil bill is $110. A random sample of 36 cities in the…

A: Let μ denotes the population mean per capita monthly fuel oil bill. The national per capita monthly…

Q: You are applying for a job at two companies. Company A offers starting salaries with p= $30,000 and…

A: Given problem Given that   You are applying for a job at two companies. Company A offers starting…

Q: the grouped data?

A:

Q: In the case of research data analysis which one is the best? SD (standard deviation)  or ANOVA?

A: Statistical methods involve  planning, designing, collection of data, analyzing the data,…

Q: The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances…

A:

Q: Most graduate schools of business require applicants for admission to take the Graduate Management…

A: Given that  μ=527σ=112

Q: A charitable organization solicits donations by telephone. Employees are paid $60 plus 20% of the…

A: Suppose X be the amount of money generated in a week. E(X)=$700…

Q: This data is from a sample. Calculate the mean, standard deviation, and variance. x 41.4 29.8 34.5…

A: X=41.4,29.8,34.5,33.4,39,34.6,42.7,44.9,28.7,12.5,36.7sample size(n)=11

Q: You may need to use the appropriate technology to answer this question. The Insure.com website…

A: Solution

Q: You may need to use the appropriate technology to answer this question. Data were collected on the…

A: Given,

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Q: The starting salary for a computer programmer major has a mean of $39,269 and a standard deviation…

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Q: A successful basketball player has a height of 6 feet 11 ​inches, or 211 cm. Based on statistics…

A:

Q: Automobile Insurance Premiums. A website reports that the mean annual premium for automobile…

A:

Q: A successful basketball player has a height of 6 feet 3 ​inches, or 191 cm. Based on statistics from…

A: Given,a basketball player has a height of 6 feet 3 inchesand the Z-score =2.31

Q: A successful basketball player has a height of 6 feet 4 ​inches, or 193 cm. Based on statistics from…

A:

Q: In a study of Ridge View's boys' basketball team, the average height is 68 inches and standard…

A: Given that, In a study of Ridge view's boys' basketball team, the average height is 68 inches and…