3. Manufacturer A's television picture tubes have a mean lifespan of 7.2 years and a standard deviation of 0.54 years; while those of manufacturer B have a mean duration of 6.21 years and a standard deviation of 0.54 years. What is the probability that a random sample of 39 kinescopes from manufacturer A will have a mean lifespan that is 1 year less than the mean lifespan in a sample of 43 kinescopes from manufacturer B? Round your answer to four decimal places after the period. Select one: a. The probability is 0.5319 b. None of the above c. The probability is 0.5478 d. The probability is 0.5425
3. Manufacturer A's television picture tubes have a mean lifespan of 7.2 years and a standard deviation of 0.54 years; while those of manufacturer B have a mean duration of 6.21 years and a standard deviation of 0.54 years. What is the probability that a random sample of 39 kinescopes from manufacturer A will have a mean lifespan that is 1 year less than the mean lifespan in a sample of 43 kinescopes from manufacturer B? Round your answer to four decimal places after the period. Select one: a. The probability is 0.5319 b. None of the above c. The probability is 0.5478 d. The probability is 0.5425
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
3. Manufacturer A's television picture tubes have a
Round your answer to four decimal places after the period.
Select one:
a. The probability is 0.5319
b. None of the above
c. The probability is 0.5478
d. The probability is 0.5425
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill