lovellaramsay9023 lovellaramsay9023
  • 12-01-2022
  • Mathematics
contestada

X is a normally distributed random variable with a mean of 8 and a standard deviation of 4. The probability that x is between 1. 48 and 15. 56 is.

Respuesta :

goddessboi goddessboi
  • 12-01-2022

Answer:

P(1.48<X<15.56) ≈ 0.919 ≈ 91.9%

Step-by-step explanation:

2nd+DISTR --> normalcdf

P(1.48<X<15.56) = normalcdf(1.48,15.56,8,4) ≈ 0.919

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