Questions 17 - 19 A company produces rechargeable batteries for small size string trimmers. We define the life of the battery as the time between starting the string trimmer until the trimmer stops due to battery failure. It is known that the life of such batteries follows the normal distribution with mean 29.5 minutes and deviation of 1.35 minutes. 17. Find the probability that the life of a randomly selected battery is less than 28 minutes. 0.1190 0.1446 0.1611 D 0.1762 0.1335 18. Find the probability that the life of a randomly selected battery is more than 30 minutes. 0.3483 B 0.3632 0.3557 0.3707 E 0.3783 Find the probability that the life of a randomly selected battery is between 28 and 30 minutes. 0.5327 B 0.5108 C 0.4923 D 0.4682 E 0.4455 19.
Questions 17 - 19 A company produces rechargeable batteries for small size string trimmers. We define the life of the battery as the time between starting the string trimmer until the trimmer stops due to battery failure. It is known that the life of such batteries follows the normal distribution with mean 29.5 minutes and deviation of 1.35 minutes. 17. Find the probability that the life of a randomly selected battery is less than 28 minutes. 0.1190 0.1446 0.1611 D 0.1762 0.1335 18. Find the probability that the life of a randomly selected battery is more than 30 minutes. 0.3483 B 0.3632 0.3557 0.3707 E 0.3783 Find the probability that the life of a randomly selected battery is between 28 and 30 minutes. 0.5327 B 0.5108 C 0.4923 D 0.4682 E 0.4455 19.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question number 19 please
Transcribed Image Text:p-value = a, therefore do not reject H,
Questions 17 - 19
A company produces rechargeable batteries for small size string trimmers. We define the life of the battery
as the time between starting the string trimmer until the trimmer stops due to battery failure. It is known
that the life of such batteries follows the normal distribution with mean 29.5 minutes and deviation of
1.35 minutes.
17.
Find the probability that the life of a randomly selected battery is less than 28 minutes.
1S
A
B
0.1190
0.1446
0.1611
0.1762
0.1335
D
E
18.
Find the probability that the life of a randomly selected battery is more than 30 minutes.
0.3483
B
0.3632
0.3557
0.3707
0.3783
E
19.
Find the probability that the life of a randomly selected battery is between 28 and 30 minutes.
0.5327
0.5108
0.4923
0.4682
E
0.4455
Questions 20 - 21
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