  # The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard deviation of 2 pounds90% of this type of dog has weight more than how many pounds?

Question

The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard deviation of 2 pounds

1. 90% of this type of dog has weight more than how many pounds?

check_circleExpert Solution
Step 1

Given Information:

Step 2

Let x in a random variable.

For the probability 0.9, the value of x is calculated as follows: help_outlineImage Transcriptioncloseu>)=f{*=4,2=2)} 1-POX-a)-22n2} P(X>x) P x - 1-P(X x)P Z< x -10 1-0.9 P Z < O1-2-11 x-10 0.1 P Z fullscreen
Step 3

In the normal distribution table, the value of...

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