Question

Assume that you plan to use a significance level of α= 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the pooled estimate p. Round your answer to the nearest thousandth.

n1 = 100,
n2 = 100,
x1 = 42,
x2 = 45

Answer 1

The pooled estimate is given by the following formula:

`\hat p= (x_1 +x_2 )/(n_1 + n_2)`

And replacing we got:

`\hat p= (42+45)/(100+100)= (87)/(200)= 0.435`

Explanation:

We have the following info given:

n1 = 100,

n2 = 100,

x1 = 42,

x2 = 45

The pooled estimate is given by the following formula:

`\hat p= (x_1 +x_2 )/(n_1 + n_2)`

And replacing we got:

`\hat p= (42+45)/(100+100)= (87)/(200)= 0.435`