What is the probability that when interviewing a group of pensioners, it will be necessary to interview exactly 5 of them to find the first pensioner who has not purchased any house on the outskirts of a city? On average, how many people should be interviewed to obtain the first pensioner who has not purchased a house on the outskirts of a city?

sine

step-by-step explanation:

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!

answer. d.289 hope that