Consider the probability that at least 93 out of 154 CDs will not be defective. Assume the probability that a given CD will not

Question

2 years ago

11

be defective is 61%.
Approximate the probability using the normal distribution. Round your answer to four decimal places.

1 answer:

Yuki888 [10] · Answer 1 · 2022-09-25T19:24:42+03:00

7 0

Answer:

0.5962

Step-by-step explanation:

Given that :

p = 61% = 0.61

q = 1 - p = 1 - 0.61 = 0.39

n = 154 ; x = 93

Using the binomial probability formula :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

P(x>=93) = p(x=93)+p(x=94)+...+p(x=n)

P(x>= 93) = 0.59619

P(x>= 93) = 0.5962