According to research, 67% of Americans over the age of 18 have texted while driving. Suppose we look at random samples of 450 people. Answer the following questions based on this POPULATION data.
Describe the sampling distribution of , by finding the mean for the sample proportion, and by finding the standard deviation for the sample proportion, ? Look to draw the Sampling Distribution Curve of ? Round any answers to 2 decimal places.
What is the probability that in a random sample of 450 Americans over the age of 18 less than 66% have texted while driving?
What is the probability that in a random sample of 450 Americans over the age of 18 between 64% and 69% have texted while driving?
Would it be unusual for a random sample of 450 Americans over the age of 18 to result in 280 who have texted while driving?
