5.2-5.4 Probability

Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies? 

• 27/40
• 1.48
• .008
• .0593

What is the probability that the person picked will be a boy given they speak german? 

• .7273
• .4
• .16
• .22

What is the probability that they speak French given they are a girl? 

• 2.14
• .24
• .4
• .8571

What is the probability that a student does play a sport given they do not play an instrument? 

• .2
• .2222
• .10
• .5

What is the probability that a female is chose given they like a Toyota? 

• .525
• .4627
• .6774
• .3143

A new credit card has been issued to 2000 customers. Of these customers, 1500 hold a Visa, 500 hold an AA card, and 40 hold a Visa and AA card. Find the probability that a random chosen customer holds a Visa and AA card, given they hold a Visa. 

• .0267
• 37.5
• .02
• .3333

What is the probability of tossing a coin four times and getting tails each time?

• 1/16
• 1/8
• 1/2
• 1/4

A coin is tossed and a number cube is rolled. Find the probability,  P(heads and 7).

• 1/14
• 1/2
• 0
• 1/7

Ten cards numbered 1-10 are placed in a hat. What is the probability of randomly drawing a card with an even number then a card with a number greater than or equal to five if the first card is replaced?

• 1/4
• 2/3
• 3/10
• 3/5

Given that P(A) = 0.5, P(B) = 0.1, and P(A and B) = 0.05, what can you saw about events A and B?

• The events are independent

• The events are mutually exclusive

• The events are disjoint

• The events are complements