Astatistics class is estimating the mean height of all female students at their college. they collect a random sample of 36 female students and measure their heights. the mean of the sample is 65.3 inches. the standard deviation is 5.2 inches. what is the 90% confidence interval for the mean height of all female students in their school? assume that the distribution of individual female heights at this school is approximately normal? (56.5, 74.1) (63.6, 67.0) (63.8, 66.8) (63.9, 66.7) question 3

Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)