The record of an athlete shows that she scores 0.82 of the points she attempts to make. What is the probability that she makes her first point on attempt number 4?

The probability is 0.00478224

Step-by-step explanation:

Probability of scoring an attempt is 0.82

Probability of not is 1-0.82 = 0.18

So making the first point in attempt number 4 means that she failed the first three

So we have the probability as;

0.18 * 0.18 * 0.18 * 0.82 = 0.00478224

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.