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?

Which graph represents the following piecewise defined function?

Find the image of a(4, -2) after it is reflected over the line y= 2, then reflected over the line x = 2. (-8,6) o (0.-2) o (0,6) (-8, -2)

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?