The owner of the west end kwick fill gas station wishes to determine the proportion of customers who pay at the pump using a credit card or debit card. he surveys 100 customers and finds that 80 paid at the pump. (round your answers to 2 decimal places.) estimate the value of the population proportion.

0.80

Step-by-step explanation:

Given : The owner of the West End Kwick Fill Gas Station wishes to determine the proportion of customers who pay at the pump using a credit card or debit card.

He surveys 100 customers and finds that 80 paid at the pump.

Then, sample proportion=

Since , the best point estimate for population proportion is sample proportion.

Therefore, the estimated value for population proportion =0.80

the expected value of the random variable : 0, 1 and 2

step-by-step explanation: