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 nearest cent)
- For part b), is the assumption that the distribution is normal necessary? Yes or No _____
** Enter an integral or decimal number, accurate to at least 4 decimal places.
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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 $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 $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....
Help with picture above please The average price of a college math textbook is $172 and...
Help with picture above please
The average price of a college math textbook is $172 and the standard deviation is $26. Suppose that 48 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of a? t - NCI b. For the group of 48, find the probability that the average price is between $166 and $169. e. Find the first quartile for the average textbook price for this sample size. S...
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The average score for games played in the NFL is 20.5 and the standard deviation is 9.1 points. 47 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution. What is the distribution of ¯xx¯? ¯xx¯ ~ N( ____ , ____ ) What is the distribution of ∑x∑x? ∑x∑x ~ N( ____ , ____ ) P(¯xx¯ > 20.7089) = ____ Find the 68th percentile for the mean score for this sample size....
please answer entire question :) The price to snorkel in Maui depends on the time of...
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The average score for games played in the NFL is 20.8 and the standard deviation is 9.3 points. 46 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution. What is the distribution of ¯xx¯? ¯xx¯ ~ N( ___ , ____ ) What is the distribution of ∑x∑x? ∑x∑x ~ N( ____ , ____ ) P(¯xx¯ > 19.7432) = _____ Find the 62th percentile for the mean score for this sample size....
Suppose that the average number of Facebook friends users have is normally distributed with a mean of 143 and a standard...
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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....
Help with picture above please
The average price of a college math textbook is $172 and the standard deviation is $26. Suppose that 48 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of a? t - NCI b. For the group of 48, find the probability that the average price is between $166 and $169. e. Find the first quartile for the average textbook price for this sample size. S...
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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