If your taking about question three, the answer would be B.) because an exponent added to a number is basically the number multiplied by itself by them number amount in the exponent(example: 5 to the power of 2 would be 5x5).
<span>The point estimate of the proportion of people who wear hearing aids if, in a random sample of 855 people, 47 people had hearing aids is , p=47/855 p= 0.054 thus the point of estimation p= 0.054</span>
