The measurement of the height of 600 students of a college is normally distributed with a mean of
175 centimeters and a standard deviation of 5 centimeters.
what percent of students are between 180 centimeters and 185 centimeters in height?
12.5
13.5
34
68

Second Option

We know that the mean is:

and the standard deviation is:

We are looking at the percentage of students between 180 centimeters and 185 centimeters in height.

This is:

We calculate the Z-score using the formula:

For

For

Then we look at the normal table

Note: You can get the same conclusion using the empirical rule

Look at the attached image for

40% off the regular price is the correct answer.

step-by-step explanation:

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47