Mathematics, 28.05.2021 16:10 econsta3
Elizabeth waited for 6 minutes at the drive thru at her favorite fast food restaurant the last time she visited. She was upset about having to wait that long and notified the manager. The manager assured her that her experience was very unusual and that it would not happen again. A study of customers commissioned by this restaurant found an approximately normal distribution of results. The mean wait time was 226 seconds and the standard deviation was 38 seconds. Find 95% margin of error and use it to create an interval of wait times. Was Elizabeth's wait time unusual?
Answers: 2
Mathematics, 20.06.2019 18:04
Which problem could be solved by evaluating the expression 7×(−3)7×-3?
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Mathematics, 21.06.2019 17:00
Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?
Answers: 1
Mathematics, 22.06.2019 01:30
Will mark brainliest! ( explain the answer too, it can be one sentence)
Answers: 1
Elizabeth waited for 6 minutes at the drive thru at her favorite fast food restaurant the last time...
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