Mathematics, 18.12.2019 01:31 meeks7442
Chi-squared test: it has been reported that the standard deviation of the speeds of drivers on a rural highway is 6 mph for all vehicles. a driver believes from her personal experience that the standard deviation is greater than 6 mph. a study was conducted and for 30 drivers and the standard deviation was 8.2 miles per hour. at alpha = 0.05, is the driver correct. place either choice a or b in the space provided below.
a) yes, the driver is correct
b) no, the driver is not correct
Answers: 2
Mathematics, 21.06.2019 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
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Mathematics, 21.06.2019 21:30
80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent
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Mathematics, 22.06.2019 00:30
Describe how to translate the graph of y=/x to obtain the graph of y=/x+5
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Mathematics, 22.06.2019 01:30
Drag the titles to the correct boxes to complete the pairs. the probability that kevin has diabetes and the test
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Chi-squared test: it has been reported that the standard deviation of the speeds of drivers on a ru...
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