A website randomly generates a password after a new user registers. The password consists of 1 digit followed by 3 letters. How many passwords can be generated if letters cannot repeat?
156,000
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20
The spinner below was spun 50 times. The results of each spin are shown in the table below. What is the experimental probability of spinning red or purple?
6/25 or 24%
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trap
No points!
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seesaw
Swap points!
Okay!
gift
Win 5 points!
Okay!
baam
Lose 20 points!
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15
Each spinner below is spun once. Find the probability of spinning a number greater than 2, then a square.
4/15
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25
A bag contains 3 blue marbles, 10 green marbles, 4 yellow marbles, and 8 red marbles. A marble is chosen at random, not replaced, then another marble is chosen. Find P(both yellow) as a simplified fraction.
1/50
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10
The probability that it will rain tomorrow is 11/15. What is the probability that it will not rain?
4/15
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20
A card is chosen at random from a standard deck. Find P(queen or 5) as a fraction (in simplest form), decimal, and percent.
2/13, 0.15, 15%
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seesaw
Swap points!
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gift
Win 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 20 points!
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15
A pencil box contains 5 red, 12 blue, 10 green, and 3 yellow markers. If a marker is chosen at random, what is the probability that it is not yellow? Express the answer as a fraction in simplest form and a percent.
9/10, 90%
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heart
Other team wins 25 points!
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magnet
Take 10 points!
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gift
Win 15 points!
Okay!
banana
Go to last place!
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10
Arjun is studying abroad for a semester. He can choose the first semester or second semester, then choose France, Spain, Germany, Italy, or Japan. Find the total number of outcomes that are possible.
10
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20
If the spinner below is spun, then a letter from the word BINGO is chosen at random, find P(at least 3, then a vowel) as a simplifed fraction.
8/25
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20
A website randomly generates a password after a new user registers. The password consists of 5 single digits by 1 letter. Find the number of passwords that can be generated if digits cannot repeat.
786240
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20
A bag contains 3 basketballs, 10 baseballs, 7 golf balls, and 5 footballs. A ball is chosen at random, not replaced, then another is chosen. Find P(a football, then a baseball) as a simplified fraction.
1/12
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20
A die was rolled 40 times. The results of each roll is given in the table below. Based on the theoretical probability, if a die is rolled 120 times, how many times can someone expect to roll an even number?