
Standard 9 Check Point

Flashcard
•
Mathematics
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the probability of getting at least 13 heads when flipping a coin 20 times?
Back
13%.
2.
FLASHCARD QUESTION
Front
How do you calculate the variance and standard deviation for a quarterback with a 70% passing percentage over 40 passes?
Back
Variance: 8.4, Standard Deviation: 2.9.
3.
FLASHCARD QUESTION
Front
What is Barry Bonds' career batting average and the probability of getting on base 6 times in 10 at bats?
Back
Batting Average: .298, Probability: 4%.
4.
FLASHCARD QUESTION
Front
What is the probability of getting at most 3 correct answers when randomly guessing on 6 multiple choice questions with 4 choices each?
Back
96%.
5.
FLASHCARD QUESTION
Front
If a quarterback has a 70% passing percentage, how many passes will he complete on average in 20 attempts?
Back
14 passes.
6.
FLASHCARD QUESTION
Front
Define probability in the context of flipping a coin.
Back
Probability is the measure of the likelihood that an event will occur, expressed as a number between 0 and 1.
7.
FLASHCARD QUESTION
Front
What is the formula for calculating variance in a binomial distribution?
Back
Variance = n * p * (1 - p), where n is the number of trials and p is the probability of success.
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