john surveyed a random sample of 10 students in 7th grade seven of them they would vote for tammy as class president if there ar
1 answer:
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We know that <span>the given side lengths are x and the height is x.
Therefore, the area of the base = </span>
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Therefore, the area of the base = </span>
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Answer:
The probability that it would take more than four hours to construct a soapbox derby car = 0.1587 or 15.87
Step-by-step explanation:
Given -
Mean = 3 hours
Standard deviation = 1 hours
Let X be the no of hours to construct a soapbox derby car
the probability that it would take more than four hours to construct a soapbox derby car =
=
= Put
= 1 -
= 1 - .8413 Using z table
= 0.1587