Mathematics, 27.06.2020 20:01 arunamvr

In a recent year, a poll asked 2324 random adult citizens of a large country how they rated economic conditions. In the poll, 23% rated the economy as Excellent/Good. A recent media outlet claimed that the percentage of citizens who felt the economy was in Excellent/Good shape was 22%. Does the poll support this claim? a) Test the appropriate hypothesis. Find a 90% confidence interval for the proportion of adults who rated the economy as Excellent/Good. Check conditions. b) Does your confidence interval provide evidence to support the claim? c) What is the significance level of the test in b? Explain.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:00

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Answers: 2

Answer

Mathematics, 21.06.2019 20:20

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Answers: 2

Answer

You know the right answer?

In a recent year, a poll asked 2324 random adult citizens of a large country how they rated economic...

Questions