Mathematics, 07.07.2020 17:01 sdoty7702
Two random samples with sizes 100 and n are chosen from the populations with the means 85.6 and 82.1. They have standard deviations 12.4 and 8.9, respectively. Which of these values of n would result in the smallest SE?
a. 100
b. 120
c. 90
d. 50
e. 70
Answers: 2
Mathematics, 21.06.2019 19:00, asmith219771
What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)
Answers: 2
Mathematics, 21.06.2019 20:20, oscarmasinde44
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 21.06.2019 23:20, lyss12326
Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?
Answers: 1
Two random samples with sizes 100 and n are chosen from the populations with the means 85.6 and 82.1...
Mathematics, 03.01.2020 04:31
Social Studies, 03.01.2020 04:31
Social Studies, 03.01.2020 04:31
Chemistry, 03.01.2020 04:31
Mathematics, 03.01.2020 04:31