Compound Probability

Forty seven percent of first year college students enrolled in 2005 had an average grade of A in high school compared to 20% of first year college students in 1970. Choose 6 first year college students in 2005. Find the probability that all had an average grade of A in high school.

• .010779
• .010764
• .010758
• .010784

Forty seven percent of first year college students enrolled in 2005 had an average grade of A in high school compared to 20% of first year college students in 1970. Choose 6 first year college students in 2005. Find the probability that none had an average grade of A in high school.

• .02214
• .02215
• .02216
• .02217

Forty seven percent of first year college students enrolled in 2005 had an average grade of A in high school compared to 20% of first year college students in 1970. Choose 6 first year college students in 2005. Find the probability that at least one had an average grade of A in high school.

• .9765
• .9778
• .9785
• .9722

If a customer is selected randomly find the probability that a sale was made.

• .592751
• .598218
• .592399
• .591379

If a customer is selected randomly find the probability that a sale was made given an aggressive sales approach was taken.

• .4655
• .4667
• .4629
• .4618

If a customer is selected randomly find the probability that a sale was made or a passive approach was taken.

• .7368432
• .7327586
• .738859
• .731099

If a customer is selected randomly find the probability that a sale was made and a passive approach was taken.

• .3577
• .3529
• .3586
• .3536

If one card is drawn from the deck, find P(Queen or Eight)  

• .1538
• .1546
• .1529
• .1567

If one card is drawn from the deck, find P(Queen or ♥)

• .30789
• .30736
• .30755
• .30769

If two cards are drawn from the deck in succession with replacement, P(J and J)   

• .0078
• .0059
• .0045
• .0086