The mean percentage of a population of people eating out at least once a week is 57% with a standard deviation of 3.50%. assume that a sample size of 40 people was surveyed from the population a significant number of times. in which interval will 68% of the sample means occur?
between 55.89% and 58.11%
between 56.45% and 57.55%
between 56.54% and 57.46%
between 56.07% and 57.93%

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 : (

answer4 to the second power is 16

and 4 to the third power is 64,