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3 years ago

(Will mark brainliest!!!) 20 PTS !!

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

4 0

Answer:

probability[Number of 6 random sample do not have cavities] = 0.8

Step-by-step explanation

Given:

Number of student do not have cavities = 60%

Number of random sample = 9 children

Find:

Probability[Number of 6 random sample do not have cavities]

Computation:

n = 9

p = 60% = 0.6

P(At least 6)

Probability[Number of 6 random sample do not have cavities] = 1 - P(Less than 6)

Probability[Number of 6 random sample do not have cavities] = 1 - P(Less than or equal to 6)

Probability[Number of 6 random sample do not have cavities] = 0.8

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