A woman wrote to an advice columnist, saying that she had been pregnant for 310 days before giving birth. Completed pregnancies are normally distributed with a mean of 266 days and a standard deviation of 16 days.What is the z-score associated with this woman’s observed pregnancy length (Show your work)?What is the probability that a completed pregnancy lasts at least 310 days? Use https://www.calculator.net/z-score-calculator.html?c2z=1.8&c2p=&c2pg=&c2p0=&c2pin=&c2pout=&calctype=converter&x=68&y=13#converter to perform the probability calculation.

A woman wrote to an advice columnist, saying that she had been pregnant for 310 days before giving birth. Completed pregnancies are normally distributed with a mean of 266 days and a standard deviation of 16 days. What is the z-score associated

A woman wrote to an advice columnist, saying that she had been pregnant for 310 days before giving birth. Completed pregnancies are normally distributed with a mean of 266 days and a standard deviation of 16 days. What is the z-score associated

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

A woman wrote to an advice columnist, saying that she had been pregnant for 310 days before giving birth. Completed pregnancies are normally distributed with a mean of 266 days and a standard deviation of 16 days.

What is the z-score associated with this woman’s observed pregnancy length (Show your work)?
What is the probability that a completed pregnancy lasts at least 310 days? Use https://www.calculator.net/z-score-calculator.html?c2z=1.8&c2p=&c2pg=&c2p0=&c2pin=&c2pout=&calctype=converter&x=68&y=13#converter to perform the probability calculation.

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Expert Solution

Step 1

Given that.

X~N( μ , ?)

μ=266 , ?=16

Z-score =( x - μ )/?

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Solved in 3 steps with 1 images

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