Question

PLEASE HELP NO LINKS PLEASE In a certain town, 62% of the residents enjoy riding roller coasters. Alfred takes a sample of 75 residents from this, town. What is the probability that fewer than 58% of the residents in the sample enjoy riding roller coasters? Find the z-table here. O 0.238 O 0.433 O 0.714 O 0.762​

Answer 1

im choosing A cause my answer shows 0.238 ill let yall know what i get

Explanation:

I got a hundred

Standard Dev: 0.05604

0.58-0.62 / 0.05604 = (Z-Score) -0.713

Answer 2

Option B

Explanation:

Here ,

The mean value is 0.62

Z value formula is

z = (x' -mean)/(sigma/sqrt (n))

Substituting the given values, we get -

sigma = Sqrt {(x'-mean)^2/n}

Sigma = sqrt { (0.58-0.62)^2/75} = 0.09

z = (0.58-0.62)/(0.09)

z = -0.433

Hence, option B is correct