Use the normal distribution to find a confidence interval for a difference in proportions p1-p2 given the relevant sample results. Assume the results come from random samples. A 99% confidence interval for p1-p2 given that p^1=0.20 with n1=40 and p^2=0.35 with n2=80

step-by-step explan mxfcg'k; uafwgzfgjhklhgation:

step-by-step explanation:

what do you need me to answer?

step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,