Suppose that quiz scores in a beginning statistics class have a mean of 7.5 with a standard deviation of 0.4. Using Chebyshev's Theorem, what is the minimum percentage of quiz scores between 6.3 and 8.7 ? Round your answer to one decimal place.
Suppose that quiz scores in a beginning statistics class have a mean of 7.5 with a...
Suppose that quiz scores in a beginning statistics class have a mean of 7.6 with a standard deviation of 0.50.5. Using Chebyshev's Theorem, what is the minimum percentage of quiz scores between 6.1 and 9.1? Round your answer to one decimal place.
Suppose that quiz scores in a beginning statistics class have a mean of 7.2 with a standard deviation of 0.4. Using Chebyshev's Theorem, state the range in which at least 75% of the data will reside. Please do not round your answers.
Suppose that quiz scores in a beginning statistics class have a mean of 7.6 with a standard deviation of 0.5. Using Chebyshev's Theorem, state the range in which at least 88.9% of the data will reside. Please do not round your answers.
suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71$3.71 with a standard deviation of $0.11$0.11. Using Chebyshev's Theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.49$3.49 and $3.93$3.93? Round your answer to one decimal place.
Suppose that salaries for recent graduates of one university have a mean of $24,800 with a standard deviation of $1100. Using Chebyshev's Theorem, what is the minimum percentage of recent graduates who have salaries between $21,500 and $28,100?
beginning sta Correct Inc Suppose that salaries for recent graduates of one university have a mean of $24.700 with a standard deviation of $1150. using Chebyshevs Theorem, what is the minimum percentage of recent graduates who have salaries between $22.400 and $27,000 Round your answer to one decimal place Consider the following sets of sample data: A 20,073,21,579 21,667.20,093,21,128,22,043, 21.465 20,000. 21,773,21,875,21,840, 22,139,22,239, 21,103 B: $1.42. $2.00.$1.78 S1.30,S1.30, $1.17, $1.38, $1.13, $1.11. $2.53, $2.28
Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard deviation of 19. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place. ?
Suppose that scores on a particular test are normally distributed with a mean of 140 and a standard deviation of 16. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place.
Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard deviation of 20. What is the minimum score needed to be in the top 20% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place. |x 6 ?
A certain standardized test's math scores have a bell-shaped distribution with a mean of 530 and a standard deviation of 110. Complete parts (a) through (c). (a) What percentage of standardized test scores is between 200 and 860? % (Round to one decimal place as needed.) (b) What percentage of standardized test scores is less than 200 or greater than 860? % (Round to one decimal place as needed.) (c) What percentage of standardized test scores is greater than 750?...