An office supply company conducted a survey before marketing a new paper shredder designed for home use. In the survey, 75% of the people who used the shredder were satisfied with it so the company decided to market it. Assume that 75% of all people who will use the new shredder will be satisfied.
Find the probability that for a random sample of 20 customers who purchased the new shredder, exactly 16 of these will be satisfied with it.
Find the probability that for a random sample of 20 customers who purchased the new shredder, less than 14 of these will be satisfied with it.
Find the expected number of
[FONT=Times New Roman,Times New Roman][FONT=Times New Roman,Times New Roman]dissatisfied customers [/FONT][/FONT][FONT=Times New Roman,Times New Roman][FONT=Times New Roman,Times New Roman][/FONT][/FONT]in a sample of 50 customers who purchased the new shredder.
Find the probability that for a random sample of 100 customers who purchased the new shredder, exactly 75 of these will be satisfied with it.
Find the probability that for a random sample of 150 customers who purchased the new shredder, more than 95 will be satisfied with it.
Find the probability that for a random sample of 20 customers who purchased the new shredder, exactly 16 of these will be satisfied with it.
Find the probability that for a random sample of 20 customers who purchased the new shredder, less than 14 of these will be satisfied with it.
Find the expected number of
[FONT=Times New Roman,Times New Roman][FONT=Times New Roman,Times New Roman]dissatisfied customers [/FONT][/FONT][FONT=Times New Roman,Times New Roman][FONT=Times New Roman,Times New Roman][/FONT][/FONT]in a sample of 50 customers who purchased the new shredder.
Find the probability that for a random sample of 100 customers who purchased the new shredder, exactly 75 of these will be satisfied with it.
Find the probability that for a random sample of 150 customers who purchased the new shredder, more than 95 will be satisfied with it.