Mathematics, 31.07.2019 03:20 shealene7
The metropolitan bus company claims that the mean waiting time for a bus during rush hour is less than 5 minutes. a random sample of 20 waiting times has a mean of 3.7 minutes with a standard deviation of 2.1 minutes. at α = 0.01, test the bus company’s claim. assume the distribution is normally distributed. state the sample mean and the standard deviation
Answers: 2
Mathematics, 21.06.2019 18:30
At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.
Answers: 2
Mathematics, 21.06.2019 19:40
Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?
Answers: 3
Mathematics, 21.06.2019 21:40
Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.
Answers: 1
Mathematics, 21.06.2019 23:50
Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32
Answers: 1
The metropolitan bus company claims that the mean waiting time for a bus during rush hour is less th...
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