Asimple random sample of 30 students was selected from a normally distributed population of high school students. the following confidence intervals were calculated at 90, 95, and 99% confidence levels to estimate the average number of hours of sleep the students got each night. determine which confidence level goes with each confidence interval. between 7.3 and 8.7 hours of sleep: between 7.0 and 9.0 hours of sleep: between 7.2 and 8.8 hours of sleep:

describing distributions is one of the key skills you’ll need to earn a high score on the ap statistics exam. if you need proof of this, just flip through some past exam questions, which can be found at the collegeboard website. you’ll notice that the first free response question is almost always a question requiring you to look at a graph and describe it.

step-by-step explanation: just trying to get points sorry : (

c: y > - 1/6x + 1

step-by-step explanation:

dashed line - meaning this < or > also not equal

solid line - meaning this < or > also equal

your answer is c because y > means up & it's shaded up, but y < means down

hope this ! : )

10 b/c 5*2 =10

step-by-step explanation: