GEOM CH 14 PROBABILITY TEST

extra credit:

events are independent if the outcome of the first one

does not affect the outcome of the other.

Which set of events is independent?

Sam is picking 2 fruits from a basket...

• 1. picks a kiwi and eats it

  2. picks an apple and eats it

• 1. picks a kiwi and eats it

  2. picks a kiwi and puts it back

• 1. picks an apple and eats it

  2. picks an apple and eats it

• 1. picks a kiwi and puts it back

  2. picks an apple and puts it back

Tags

CCSS.HSS.CP.A.5

The outcomes of flipping a coin and rolling a die are:

heads/even heads/odd

tails/even tails/odd

What is the probability of flipping a heads OR rolling an odd?

• 4/4

• 1/4

• 1/2

• 3/4

Tags

CCSS.HSS.CP.B.7

120 total people. 62 don't like candy. 70 like popcorn. 42 like both.

What's the probability that a person drawn randomly does NOT like either.

(hint: make a table)

what is 60% of 70

• 40

• 44

• 42

• 46

P(A) = 0.5 P(A and B) = .35

what is P(B)

• .7

• .175

• .15

• .85

P(A and B) = .48

What could be possible probabilities for events A and B?

• .16 and .32

• .8 and .6

• .84 and .36

• .288 and .6

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Spinner with 12 equal areas numbered 1 through 12.

If spun one time, what's the probability of landing on a multiple of 4 OR a multiple of 6?

Tags

CCSS.HSS.CP.B.7

26 students. 21 play hockey. 7 play lacrosse. 2 play neither.

What's the probability that a student plays both?

(make a table)

Tags

CCSS.HSS.CP.A.1

Tags

CCSS.HSS.CP.B.6