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WGU C955 - Module 7: Probability EXAM|COMPLETE STUDY GUIDE WITH UPDATED ANSWERS.GET A A PASS

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What is the probability of someone having a birthday in March or December? a 1/6 b 1/4 c 1/3 d 1/2 - CORRECT ANSWERS️️1/6 The table below shows the breakdown of workers at a business. What is the probability of selecting a worker who is over 45 years of age to the nearest hundredth? Age 18−25 26−44 45+ Total Male Female Total a 0.16 b 0.29 c 0.42 d 0.55 - CORRECT ANSWERS️️0.29 The table below shows the breakdown of workers at a business. What is the probability that a randomly selected 18−25 year old is male (to the nearest hundredth)? Age 18−25 26−44 45+ Total Male Female Total a 0.48 b 0.52 c 0.56 d 0.60 - CORRECT ANSWERS️️0.60 The probability that Jimmy attends school on any given day is 0.98 . The probability Jimmy misses a day of school, given that he missed the day before, is 0.5 . What is the probability that Jimmy misses school on BOTH Tuesday and Wednesday? a 0.0004 b 0.01 c 0.02 d 0.04 - CORRECT ANSWERS️️0.01 The following table shows the percentage of events at an arena. Basketball 26% Hockey 19% Concert 18% Table Tennis 9% Other 28% What is the disjoint probability of having a basketball or hockey game at the arena? a 27% b 37% c 45% d 55 - CORRECT ANSWERS️️45% A game has a 10 -sided fair die. What is the probability of rolling an even number or a number less than 5 ? a 1/10 b 3/10 c 7/10 d 9/10 - CORRECT ANSWERS️️7/10 A survey on favorite pizza topping was given: 33% said cheese was their favorite topping, 25% said pepperoni, 15% said sausage, and 27% said other. If two people are picked at random and replaced, what is the probability of picking two people that like cheese? Round your answer to a whole number. a 0% b 11% c 33% d 66% - CORRECT ANSWERS️️11% There was a marble drawn from a bag in an experiment and placed back in the bag repeatedly. A red marble appeared 45 times, a blue marble 70 times, a green marble 63 times, and a black marble 22 times. What is the empirical probability of the blue marble? a 0.11 b 0.225 c 0.315 d 0.35 - CORRECT ANSWERS️️0.35 In a bag, there are 8 red marbles, 10 blue marbles, 9 green marbles, and 5 black marbles. Find the theoretical probability of drawing a red marble out of the bag. a 5/32 b 1/4 c 9/32

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STUDYSAGE



WGU C955 - Module 7:
Probability EXAM|COMPLETE
STUDY GUIDE WITH UPDATED
ANSWERS.GET A A PASS
What is the probability of someone having a birthday in March or December?


a 1/6
b 1/4
c 1/3
d 1/2 - CORRECT ANSWERS✔️✔️1/6


The table below shows the breakdown of workers at a business. What is the
probability of selecting a worker who is over 45 years of age to the nearest
hundredth?


Age
18−25 26−44 45+ Total
Male 75 200 125 400
Female 50 225 100 375
Total 125 425 225 775
a 0.16
b 0.29
c 0.42
d 0.55 - CORRECT ANSWERS✔️✔️0.29


SUCCESS

,STUDYSAGE




The table below shows the breakdown of workers at a business. What is the
probability that a randomly selected 18−25 year old is male (to the nearest
hundredth)?


Age
18−25 26−44 45+ Total
Male 75 200 125 400
Female 50 225 100 375
Total 125 425 225 775
a 0.48
b 0.52
c 0.56
d 0.60 - CORRECT ANSWERS✔️✔️0.60


The probability that Jimmy attends school on any given day is 0.98 . The
probability Jimmy misses a day of school, given that he missed the day before, is
0.5 . What is the probability that Jimmy misses school on BOTH Tuesday and
Wednesday?


a 0.0004
b 0.01
c 0.02
d 0.04 - CORRECT ANSWERS✔️✔️0.01


The following table shows the percentage of events at an arena.


SUCCESS

, STUDYSAGE




Basketball 26%
Hockey 19%
Concert 18%
Table Tennis 9%
Other 28%


What is the disjoint probability of having a basketball or hockey game at the
arena?
a 27%
b 37%
c 45%
d 55 - CORRECT ANSWERS✔️✔️45%


A game has a 10 -sided fair die. What is the probability of rolling an even number
or a number less than 5 ?


a 1/10
b 3/10
c 7/10
d 9/10 - CORRECT ANSWERS✔️✔️7/10


A survey on favorite pizza topping was given: 33% said cheese was their favorite
topping, 25% said pepperoni, 15% said sausage, and 27% said other. If two people
are picked at random and replaced, what is the probability of picking two people
that like cheese? Round your answer to a whole number.


SUCCESS

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