5 points A set of data has a normal distribution with a mean of 17.5 and a standard
deviation of 1.6. Determine which of the following values represent the
percent of the data between 15.9 and 19.1?
A 48%
B 68%
C 95%
D 99.7%

B.

Step-by-step explanation:

Use your calculator’s normalcdf function.

normalcdf(15.9, 19.1, 17.5, 1.6) = 0.6827

That’s closest to 68%.

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.

stethere all not eveanp-by-step explanation: