Based on a smartphone survey, assume that
50
50% of adults with smartphones use them in theaters. In a separate survey of
238
238 adults with smartphones, it is found that
102
102 use them in theaters.
a. If the
50
50% rate is correct, find the probability of getting
102
102 or fewer smartphone owners who use them in theaters.
b. Is the result of
102
102 significantly low?

c: lkllmn.

hope it's you

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

the correct answer is 5 6 and 7

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