The life of a battery is normal with mean 1,000 hours and standard deviation 100 hours. What is the probability that a battery lasts between 900 and 1,100 hours? (Take $P(0 < Z < 1) = 0.3413$ .)

0.3413

Correct answerYour answer

0.465943

Correct answerYour answer

0.6826

Correct answerYour answer

0.8413

Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Worth noting

0.3413 covers only 1,000 to 1,100 hours.

Ten questions from Normal Distribution, at your own pace.

Ten questions from Normal Distribution, at your own pace.

The life of a battery is normal with mean 1,000 hours and standard deviation 100 hours. What is the probability that a battery lasts between 900 and 1,100 hours? (Take P(0<Z<1)=0.3413P(0 < Z < 1) = 0.3413P(0<Z<1)=0.3413.)