Your friend reads the highway sign that says "its 71 miles to watertown." is yiur friend correct? explain.

see the explanation

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

Observing the figure

The distance from their current location to Hudson is 9 miles

The distance from their current location to Mitchell is 65 miles

The distance from their current location to Watertown is 80 miles

so

Your friend is not correct

Your friend must have calculated the distance between Hudson and Watertown (80-9=71 miles)

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

click to let others know, how is it

0.0

0 votes

1

report

read more on -

step-by-step explanation: