Answer:
Step-by-step explanation:
You can find your answer in attached document.
Answer:
1/4 or 25%
Step-by-step explanation:
Only 1 whisker earned 25 or less so it's 1/4
It would be an open circle with an arrow going to the right
Answer c
Step-by-step explanation:
they have to be equivalent
Answer: a) Unimodal and symmetric
b) 0.26
c) 0.038
Step-by-step explanation:
Given: Sample size of investors (n)= 131
True proportion of smartphone users(p) =26%
a) Since sampling distribution for the sample proportion is approximately normal when n is larger.
Normal distribution is Unimodal and symmetric.
So correct option : Unimodal and symmetric
b) mean of this sampling distribution = p = 0.26
c) standard deviation of the samplingdistribution = 
