Mathematics, 20.11.2019 20:31 hcortez4023
From the time of early studies by sir francis galton in the late nineteenth century linking it with mental ability, the cranial capacity of the human skull has played an important role in arguments about iq, racial differences, and evolution, sometimes with serious consequences. (see, for example, s. j. gould, "the mismeasure of man," .) suppose that the mean cranial capacity measurement for modern, adult males is 1069 cc (cubic centimeters) and that the standard deviation is 269 cc. complete the following statements about the distribution of cranial capacity measurements for modern, adult males.(a) according to chebyshev's theorem, at least ? of the measurements lie between 531 cc and 1607 .(b) according to chebyshev's theorem, at least ? of the measurements lie between 665.5 cc and 1472.5 .(c) suppose that the distribution is bell-shaped. according to the empirical rule, approximately ? of the measurements lie between 531 cc and 1607 .(d) suppose that the distribution is bell-shaped. according to the empirical rule, approximately 68% of the measurements lie between ? and ?
Answers: 1
Mathematics, 21.06.2019 18:30, 420420blazee
You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?
Answers: 3
Mathematics, 21.06.2019 22:30, azainababbas
Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25
Answers: 1
Mathematics, 21.06.2019 22:30, vsuescun10
For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?
Answers: 1
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