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3 years ago

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A normal population with unknown variance has a mean of 20. Is one likely to obtain a random sample of size 9 from this populati

on with a mean of 24 and a standard deviation of 4.1? If not, what conclusion would you draw?

1 answer:

viktelen [127]3 years ago

3 0

Answer:

uygjhuz6ds656d7dd7d7d8d7

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Let b be a number such that (2b+5)(b-1)=6b. What is the largest possible value of b? Express your answer as a common fraction.

Oksi-84 [34.3K]

Answer:

Foil the expression and solve the derivative with respect to b at f'(x)=0 $2b^2+3b+5=6b\\d/dx(2b^2+9b+5=0)\\4b+9=0\\b=-9/4$

Step-by-step explanation:

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2 years ago

What is the solution to the following equation?

ozzi

The answer would be B. 1

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Ok I really need help

Nataly_w [17]

for a normal triangle its (bh)/2 but this is a right triangle so you multiply the two perpendicular sides and divide it by 2

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3 years ago

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Answer:

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2 years ago

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A=-13y solve for y <br> This is all the question says so idk

Inessa05 [86]

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3 years ago