Question

Find the indicated probability assuming that x is a random variable with a normal distribution with the given mean and standard deviation. (Round your answer to four decimal places.) P(79 ≤ x ≤ 283), ? = 20, ? = 100

Name: find the indicated probability assuming that x is a random variable with a normal distribution with the given mean and standard deviation round your answer to four decimal places p79 x 283 2 99407
Uploaded: 2023-08-09T00:26:02-08:00
Duration: 1 min 3 s
Channel: Tim Thornhill
Description: find the indicated probability assuming that x is a random variable with a normal distribution with the given mean and standard deviation round your answer to four decimal places p79 x 283 2 99407

          Find the indicated probability assuming
that x is a random variable with a normal
distribution with the given mean and standard deviation. (Round
your answer to four decimal places.)
P(79 ≤ x ≤ 283), ? = 20, ? = 100

Added by Eric C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Tim Thornhill

08/09/2023

Step 1

Standardize the values of 79 and 283 using the formula: z = (x - μ) / σ For 79: z = (79 - 20) / 100 = 0.59 For 283: z = (283 - 20) / 100 = 2.63 Show more…

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Find the indicated probability assuming that x is a random variable with a normal distribution with the given mean and standard deviation. (Round your answer to four decimal places.) P(79 ≤ x ≤ 283), ? = 20, ? = 100