Question

1. X follows a normal distribution with mean 5 and standard deviation 3, the probability of X being smaller than 4 is: A 0.46 B 0.37 C 0.54 D 0.63 2. The shape of a normal distribution is determined by: A. none B mean C both mean and variance D. variance

Name: 1 x follows a normal distribution with mean 5 and standard deviation 3 the probability of x being smaller than 4 is a 046 b 037 c 054 d 063 2 the shape of a normal distribution is determined 86802
Uploaded: 2022-07-12T14:18:17-08:00
Duration: 2 min 3 s
Channel: Christopher Dzorkpata
Description: 1 x follows a normal distribution with mean 5 and standard deviation 3 the probability of x being smaller than 4 is a 046 b 037 c 054 d 063 2 the shape of a normal distribution is determined 86802

          1. X follows a normal distribution with mean 5 and standard
deviation 3, the probability of X being smaller than 4 is:
A 0.46
B 0.37
C 0.54
D 0.63   
2. The shape of a normal distribution is determined by:
A. none
B mean
C both mean and variance
D. variance

Added by Andrea W.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Christopher Dzorkpata

07/12/2022

Step 1

z = (4 - 5) / 3 z = -1 / 3 z = -0.33 Show more…

Show all steps

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1. X follows a normal distribution with mean 5 and standard deviation 3, the probability of X being smaller than 4 is: A 0.46 B 0.37 C 0.54 D 0.63 2. The shape of a normal distribution is determined by: A. none B mean C both mean and variance D. variance