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Binomial Distribution, Variance, & Standard Deviation
Authored by Karla Webb
Mathematics
9th - 12th Grade
CCSS covered
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20 questions
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1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
5% of electric light bulbs are defective at manufacture. 6 bulbs are randomly tested, with each one being replaced before the next is chosen. Determine the probability that two bulbs are defective.
(a)
Tags
CCSS.HSS.MD.B.6
CCSS.HSS.MD.B.7
2.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
5% of electric light bulbs are defective at manufacture. 6 bulbs are randomly tested, with each one being replaced before the next is chosen. Determine the probability that at least one bulb is defective.
(a)
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Records show that 6% of the items assembled on a production line are faulty. A random sample of 12 items is selected with replacement. Find the probability that none will be faulty.
(a)
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Records show that 6% of the items assembled on a production line are faulty. A random sample of 12 items is selected with replacement. Find the probability that at most one will be faulty.
(a)
Tags
CCSS.HSS.MD.B.6
CCSS.HSS.MD.B.7
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Records show that 6% of the items assembled on a production line are faulty. A random sample of 12 items is selected with replacement. Find the probability that at least two will be faulty.
(a)
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Records show that 6% of the items assembled on a production line are faulty. A random sample of 12 items is selected with replacement. Find the probability that less than four will be faulty.
(a)
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
A coin is tossed 10 times and X is the number of heads which occur. Find the mean of X.
(a)
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