Mathematics, 28.11.2019 00:31 cjdaly123
Manufacture of a certain component requires three different machining operations. machining time for each operation has a normal distribution, and the three times are independent of one another. the mean values are , , and min, respectively, and the standard deviations are , , and min, respectively. what is the probability that it takes at most hour of machining time to produce a randomly selected component
Answers: 3
Mathematics, 22.06.2019 00:50
What is a correct first step in solving the inequality-4(3-5x)> -6x+9
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Mathematics, 22.06.2019 02:00
Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90ΒΊ about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis
Answers: 3
Mathematics, 22.06.2019 03:10
Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.
Answers: 1
Mathematics, 22.06.2019 03:50
Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.
Answers: 3
Manufacture of a certain component requires three different machining operations. machining time for...
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