3 years ago

NORMAL DISTRIBUTIONS AID?

1 answer:

3 0

Those are the ranges for one tandard deviation below the mean and one standard deviation above the mean, and we know that 68% of the data falls in that range, so the probability that a randomly chosen worker makes that much is 68%

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IgorC [24]

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3 years ago

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yanalaym [24]

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3 years ago

Lydia earned $9.75 per hour last summer. She worked 25 hours a week. About how much did she earn in 8 weeks.

Kay [80]

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Please i need this done ASAP!!!!!!!!! Write the following statement in if-then form. "All freshman are required to attend orient

Fynjy0 [20]

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3 years ago

one fruit punch had 40% fruit juice and another is 90% fruit juice. how much of the 40% punch should be mixed with 30 gallons of

sashaice [31]

A = fruit juice 40%

B= 90% juice

then

30 gallons + A = 55• C/100

30 gallons + N • (40/100) = (30 + N)• (55/100)

Now solve this equation, for N

3000 + 40N = (30+N) •55

then

3000 - 1650 = 55N - 40 N = 15N

1350 = 15 N

then

N= 1350/15 = 90

Then answer is

Should be mixed 90 gallons of 40% fruit punch

6 0

1 year ago