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Crank
3 years ago
9

How did i travel irf i went from nyc to tren ton a distance of90 miles at45 miles per hour how long did it take

Mathematics
1 answer:
garik1379 [7]3 years ago
6 0
45 miles/60 min = 90 miles/x minutes.
Since, 45*2 = 90, just multiply the denominator by two to get your answer.
60*2 = 120
It would take 120 minutes, or 2 hours to travel from NYC to Trenton
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The sum of an a.p is 340. the first term is 7 and the common difference is 6. Cal the number of terms in the sequence.
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Common difference: 6

First term: 7

Second term: 13

Third term: 19

Fourth term: 25

Fifth term: 31

I hope this is correct and helps!

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3 years ago
A film distribution manager calculates that 4% of the films released are flops. If the manager is correct, what is the probabili
Anit [1.1K]

Answer:

9.34%

Step-by-step explanation:

p = 4%, or 0.04

n = Sample size = 667

u = Expected value = n * p = 667 * 0.04 = 26.68

SD = Standard deviation = \sqrt{np(1-p)}  =\sqrt{667*0.04*(1-0.04)} = 5.06

Now, the question is if the manager is correct, what is the probability that the proportion of flops in a sample of 667 released films would be greater than 5%?

This statement implies that the p-vlaue of Z when X = 5% * 667 = 33.35

Since,

Z = (X - u) / SD

We have;

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From the Z-table, the p-value of 1.32 is 0.9066

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Therefore, the probability that the proportion of flops in a sample of 667 released films would be greater than 5% is 9.34%.

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The answer is: 12.8
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64÷5=12.8
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3 years ago
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