A population has standard deviation o=17.5.
Part 1 of 2
(a) How large a sample must be draw...
Mathematics, 23.04.2021 15:30 gabrieljerron
A population has standard deviation o=17.5.
Part 1 of 2
(a) How large a sample must be drawn so that a 99.9% confidence interval for u will have a margin of error equal to 4.1? Round the answer up to the nearest integer. (Round the critical value to no less than three decimal places.) A sample size of is needed to be drawn in order to obtain a 99.9% confidence interval with a margin of error equal to 4.1.
Part 2 of 2
(b) If the required confidence level were 95%, would the necessary sample size be larger or smaller? (Choose one) V , because the confidence level is (Choose one) V .
Answers: 2
Mathematics, 21.06.2019 21:30
If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca
Answers: 1
Mathematics, 21.06.2019 22:00
10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.
Answers: 2
Mathematics, 22.06.2019 02:30
Hurry the figure shows the front side of a metal desk in the shape of a trapezoid.what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²
Answers: 3
Mathematics, 08.06.2021 21:50
Mathematics, 08.06.2021 21:50
Mathematics, 08.06.2021 21:50
Health, 08.06.2021 21:50
Mathematics, 08.06.2021 21:50
Computers and Technology, 08.06.2021 21:50
Chemistry, 08.06.2021 21:50
Mathematics, 08.06.2021 21:50
Mathematics, 08.06.2021 21:50
History, 08.06.2021 21:50
Advanced Placement (AP), 08.06.2021 21:50