1332 Group Quiz for Ch7 and Ch12

What is the probability of drawing a single green marble from a bag containing 6 red, 3 green, and 1 blue marble?

• 3/10

• 1/10

• 6/10

• 1/5

Consider a bag that holds 6 red marbles, 3 green marbles and 1 blue marble.

If you draw a single marble from the bag, what is the probability that you will select a red or blue?

• 3/10

• 2/5

• 7/10

• 1/5

Consider a bag that holds 6 red marbles, 3 green marbles and 1 blue marble.

If two marbles are drawn without replacement, what is the probability that the first is green and the second is red?

• 1/5

• 3/10

• 6/10

• 1/10

Consider a bag that holds 6 red marbles, 3 green marbles and 1 blue marble.

If two marbles are drawn without replacement, what is the probability you will select matching marbles? Hint: P(Red and Red) OR P(Green and Green) OR ...

• 2/5

• 36/100

• 6/10

• 1/90

During a baseball season, Roberto made 15 hits on 32 at-bats so far.

What is the relative frequency probability of her making a hit on their next at-bat?

• 0.469

• .5

• 0.531

• 0.32

During a baseball season, Roberto made 15 hits on 32 at-bats so far.

What is the relative frequency probability of him NOT making a hit on their next at-bat?

• 0.469

• .5

• 0.531

• 0.32

During a baseball season, Roberto made 15 hits on 32 at-bats so far.

What is the probability of him making AT LEAST ONE hit on his next 6 at-bats?

• 0.978

• .469

• 0.531

• 0.989

An insurance policy sells for $550.  Based on past data, an average of 1 in 100 policy holders will file a $2,000 claim, an average of 1 in 200 policyholders will file a $18,000 claim, and an average of 1 in 300 policyholders will file a $30,000 claim.  Find the expected value (to the company) per policy sold. 

 

• $340

• -$340

• $210

• -$210

The conference you are attending is serving a boxed lunch. The box lunch includes a sandwich (turkey, ham  or veggie), a side (chips or an apple), and a cookie (sugar or chocolate chip).

The box lunches are unmarked and stacked randomly on a table.

How many different lunch assortments are possible at the conference, considering the options for sandwich, side, and cookie?

• 12

• 6

• 24

• 18

The conference you are attending is serving a boxed lunch. The box lunch includes a sandwich (turkey, ham  or veggie), a side (chips or an apple), and a cookie (sugar or chocolate chip).

The box lunches are unmarked and stacked randomly on a table.

Assuming each boxed lunch assortment is equally likely, what is the probability that the selected box contains a turkey sandwich, apple, and chocolate chip cookie?

• 1/4

• 0.0833
• 83.3%

• .25