g Assume the distribution of times that a swimmer can hold their breath is normally distributed. A random sample of 4 people timed how long they could hold their breath. The results were: 5 seconds 23 seconds 41 seconds 53 seconds Find a 85% confidence interval for the average amount of time a person can hold their breath.

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point

include a picture of the drawing in order for me to

step-by-step explanation:

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm