Question

100 POINTS! Will give branl iest! It is alot of work but lots of points!

(1). The state of Ohio conducted tests on 107,109 people, and 14,581 tested positive.
(A)What is P for the number who tested positive(round to the nearest hundredth of a percent)
(B) Based upon the testing results, of the 11.69 million people who live in Ohio, what is the best estimate for the number of people who would test positive for the virus?




(2). The results of a survey show that the percent of Adults in a certain town who want to add bike lanes to a major roadway is in the interval. (0.47, 0.63)
(A) What is the point estimate for the percent who want to add the bike lanes?
(B)What is the poll's margin of error?
(C)If the town's adult population is 75,783, what is the best estimate for the number of people who would support bike lanes?

Answer 1

1. A) 13.61%

B) 1.59 million

2. A) 0.55

B) 0.08

C) 41,680

Explanation:

1. A) p = 14581/107109 × 100

= 13.61323512%

B) 13.61% of 11.69

13.61/100 × 11.69

1.591009 million

2. A) p = (0.47+0.63)/2

1.1/2 = 0.55

B) error: 0.63 - 0.55 = 0.08

C) 0.55 × 75783

41680.65