Mathematics, 16.03.2020 18:50 lizzie3545
For the distribution of GPAs described in problem 1, what is the probability that a randomly selected student will have a GPA Z score Probability a. less than 3.40 b. less than 3.78 c. more than 3.50 d. more than 2.50 e. between 2.00 and 3.00 f. between 3.00 and 3.50
Answers: 2
Mathematics, 21.06.2019 14:00
Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot
Answers: 3
Mathematics, 21.06.2019 18:30
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 20:30
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
Mathematics, 21.06.2019 23:00
The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?
Answers: 1
For the distribution of GPAs described in problem 1, what is the probability that a randomly selecte...
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