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The average price of a college math textbook is $172 and...
The average price of a college math textbook is $172 and the standard deviation is $29....
The average price of a college math textbook is $172 and the standard deviation is $29. Suppose that 8 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of a? -N( 172 ,29 b. For the group of 8, find the probability that the average price is between $174 and $184.1330 c. Find the third quartile for the average textbook price for this sample size. S 191.56 * (round to the...
The average price of a college math textbook is $162 and the standard deviation is $24....
The average price of a college math textbook is $162 and the standard deviation is $24. Suppose that 50 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of T?T-N b. For the group of 50, find the probability that the average price is between $165 and $167. (round to c. Find the first quartile for the average textbook price for this sample size. $ the nearest cent) d. For part...
The average price of a college math textbook is $161 and the standard deviation is $28....
The average price of a college math textbook is $161 and the standard deviation is $28. Suppose that 17 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N( ___ , ___ ) For the group of 17, find the probability that the average price is between $168 and $173. _____ Find the third quartile for the average textbook price for this sample size. $ _____ (round to...
The average price of a college math textbook is $175 and the standard deviation is $27....
The average price of a college math textbook is $175 and the standard deviation is $27. Suppose that 15 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? - NI b. For the group of 15, find the probability that the average price is between $171 and $177. c. Find the first quartile for the average textbook price for this sample size. S (round to the nearest cent) d....
Chapter 7 Test Due in 7 hours, 27 minutes. Due Thu 07/30/2020 11:59 Questions Question 1...
Chapter 7 Test Due in 7 hours, 27 minutes. Due Thu 07/30/2020 11:59 Questions Question 1 (0/10) Question 2 [10/10] Question 3 (0/10) Question 4 [10/10) Question 5 [10/10] Question 6 (0/10) Question 7 [10/10) C Question 8 (0/10) The average price of a college math textbook is $169 and the standard deviation is 525. Suppose that 49 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of I? - N...
please answer entire question :) The price to snorkel in Maui depends on the time of...
please answer entire question :)
The price to snorkel in Maui depends on the time of year you travel to the island. The average price of a three hour snorkling trip with Maui Snorkling Charters is $169 and the standard deviation is $30. Suppose that 16 snorklers are randomly chosen throughout the year. Round all answers to 4 decimal places where possible. a. What is the distribution of I? - NG b. For the group of 16, find the probability...
Suppose that the average number of Facebook friends users have is normally distributed with a mean of 143 and a standard...
Suppose that the average number of Facebook friends users have is normally distributed with a mean of 143 and a standard deviation of about 49. Assume forty-eight individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. What is the distribution of ¯ x ? ¯ x ~ N( , ) For the group of 48, find the probability that the average number of friends is less than 146. Find the third quartile...
A publishing company claims that in fall 2019, the average price of college textbooks for a...
A publishing company claims that in fall 2019, the average price of college textbooks for a single semester is $385. Suppose you decide to collect data from a random sample of students to assess whether the publisher's claim is reasonable, and you find that in a random sample of 22 college students, the mean price of textbooks for the fall 2019 semester was $433.50 with a standard deviation of $86.92. At the 0.01 significance level, is there sufficient evidence to...
A publishing company claims that in fall 2019, the average price of college textbooks for a...
A publishing company claims that in fall 2019, the average price of college textbooks for a single semester is $385. Suppose you decide to collect data from a random sample of students to assess whether the publisher's claim is reasonable, and you find that in a random sample of 22 college students, the mean price of textbooks for the fall 2019 semester was $433.50 with a standard deviation of $86.92. At the 0.01 significance level, is there sufficient evidence to...
A publishing company claims that in fall 2019, the average price of college textbooks for a...
A publishing company claims that in fall 2019, the average price of college textbooks for a single semester is $385. Suppose you decide to collect data from a random sample of students to assess whether the publisher's claim is reasonable, and you find that in a random sample of 22 college students, the mean price of textbooks for the fall 2019 semester was $433.50 with a standard deviation of $86.92. At the 0.01 significance level, is there sufficient evidence to...
The average price of a college math textbook is $172 and the standard deviation is $29. Suppose that 8 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of a? -N( 172 ,29 b. For the group of 8, find the probability that the average price is between $174 and $184.1330 c. Find the third quartile for the average textbook price for this sample size. S 191.56 * (round to the...
The average price of a college math textbook is $162 and the standard deviation is $24. Suppose that 50 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of T?T-N b. For the group of 50, find the probability that the average price is between $165 and $167. (round to c. Find the first quartile for the average textbook price for this sample size. $ the nearest cent) d. For part...
The average price of a college math textbook is $175 and the standard deviation is $27. Suppose that 15 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? - NI b. For the group of 15, find the probability that the average price is between $171 and $177. c. Find the first quartile for the average textbook price for this sample size. S (round to the nearest cent) d....
Chapter 7 Test Due in 7 hours, 27 minutes. Due Thu 07/30/2020 11:59 Questions Question 1 (0/10) Question 2 [10/10] Question 3 (0/10) Question 4 [10/10) Question 5 [10/10] Question 6 (0/10) Question 7 [10/10) C Question 8 (0/10) The average price of a college math textbook is $169 and the standard deviation is 525. Suppose that 49 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of I? - N...
please answer entire question :)
The price to snorkel in Maui depends on the time of year you travel to the island. The average price of a three hour snorkling trip with Maui Snorkling Charters is $169 and the standard deviation is $30. Suppose that 16 snorklers are randomly chosen throughout the year. Round all answers to 4 decimal places where possible. a. What is the distribution of I? - NG b. For the group of 16, find the probability...
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