The heights of women in the united states are normally distributed with a mean of 64 inches and a standard deviation of 2.75 inc
hes. the percent of women whose heights are between 64 and 69.5 inches, to the nearest whole percent, is
a. 6
b. 48
c. 68
d. 95
a. 6
b. 48
c. 68
d. 95
1 answer:
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Answer
Find out the how long will it take the submarine to descend to the ocean floor
To proof
Formula
where d = distance traveled (or descended),
r = rate of travel , t = time
As given
A submarine descends at a rate of 2.6 kilometers per hour. If the ocean floor is 6.24 kilometers below sea level .
put all the values in the above formula
t = 2.4 hour
it take 2.4 hours the submarine to descend to the ocean floor .
Hence proved