subject
Mathematics, 02.12.2019 16:31 glitterpanda2468

Lefties the author had difficulty finding the percentage of people who write with their left hand. if we want to estimate that percentage based on survey results, how many people must we survey in order to be 99% confident that we are within two percentage points of the population percentage? assume that we know nothing about the percentage of the population that writes with the left hand.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.
Answers: 2
question
Mathematics, 21.06.2019 21:30
(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.
Answers: 2
question
Mathematics, 22.06.2019 01:00
The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?
Answers: 2
question
Mathematics, 22.06.2019 01:20
If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4
Answers: 1
You know the right answer?
Lefties the author had difficulty finding the percentage of people who write with their left hand. i...
Questions
question
Computers and Technology, 21.08.2019 07:10
question
Biology, 21.08.2019 07:10
question
Mathematics, 21.08.2019 07:10
question
Mathematics, 21.08.2019 07:10
question
Mathematics, 21.08.2019 07:10
Questions on the website: 13722363