torigyrl4251 torigyrl4251
  • 12-11-2020
  • Mathematics
contestada

What is the probability that a normal random variable will take a value that is less than 1.05 standard deviations above its mean?

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okpalawalter8
okpalawalter8 okpalawalter8
  • 16-11-2020

Complete Question

What is the probability that a normal random variable will take a value that is less than 1.05 standard deviations above its mean? In other words, what is P(Z < 1.05)

A 0.8531

B 0.1468

C 0.9332

D 0.0668

Answer:

The correct option is  A

Step-by-step explanation:

Generally from the z table  the area under the normal curve to the left corresponding to  1.05 is

     [tex]P(Z < 1.05) = 0.8531[/tex]

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