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Probability Review
Review 7th grade Probability
| Question | Answer |
|---|---|
| If the spinner is spun once, find the probability. p(bankrupt) | 2/24 = 1/12 |
| If the spinner is spun once, find the probability. p(at least $500) | 12/24 = 1/2 |
| If the spinner is spun once, find the probability. p($800 or $1,000) | 3/24 = 1/8 |
| If the spinner is spun once, find the probability. p(a maximum of $700) | 15/24 = 5/8 |
| If the spinner is spun once, find the probability. p(less than $400) | 5/24 |
| If the spinner is spun once, find the probability. p(lose a turn) | 1/24 |
| A bucket contains a set of magnetic alphabet letters If a letter is drawn at random, what is the probability that it is a letter in the word FIRECRECKER? | 7/26 |
| Sarah has been late for work 9 out of the last 30 days. based on this, what is the probability that she will be on time for work on time for work on any given day? | 21/30 = 7/10 |
| A day of the week was chosen at random 60 times. Results of this experiment are shown in the table below. what is the theoretical probability of selecting a day that starts with the letter S? | 2/7 |
| A day of the week was chosen at random 60 times. Results of this experiment are shown in the table below. Based on this experiment, what is the probability of selecting a day that starts with the letter S? | 18/60 = 3/10 |
| A day of the week was chosen at random 60 times. Results of this experiment are shown in the table below. Theoretically, if a day is chosen at random 300 times, about how many times would you expect Monday to be chosen? | About 43 times |
| A day of the week was chosen at random 60 times. Results of this experiment are shown in the table below. Based on this experiment, if a days is chosen at random 300 times, about how many times would you expect Monday to be chosen? | About 30 times. |
| How many ways can Mason make his elective schedule if he can choose from photography, journalism, art, or marketing as his first elective and keyboarding or chorus as his second elective? | 8 ways |
| To access their grades in the gradebook, each student is given a unique code that contains three letters followed by one digit. How many codes are possible? | 175, 760 |
Created by:
stephanie_keller
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