Mathematics, 18.03.2021 02:30 eddsworldfrantic
72 points
At a softball tournament, the coach kept up with every pitch. The coach
found that the mean pitch speed of one particular pitcher was 48 mph
and the standard deviation of the pitch speed was 5 mph. If nothing is
known about the shape of the distribution, what interval would contain
75% of the pitcher's pitches?
Answers: 3
Mathematics, 21.06.2019 17:00
The ratio of rock songs to dance songs on jonathanβs mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?
Answers: 2
Mathematics, 21.06.2019 22:30
Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?
Answers: 1
Mathematics, 22.06.2019 03:20
Apolice office claims that the proportion of people wearing seat belts is less than 65%. to test this claim, a random sample of 200 drivers is taken and its determined that 126 people are wearing seat belts. the following is the setup for this hypothesis test: h0: p=0.65 ha: p< 0.65 find the p-value for this hypothesis test for a proportion and round your answer to 3 decimal places.
Answers: 3
72 points
At a softball tournament, the coach kept up with every pitch. The coach
found that...
found that...
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