Mathematics, 21.11.2019 02:31 jaylaa04
1/.1897rockwell hardness of pins of a certain type is known to have a mean of 50 and a standard deviation of 1.2 under regular conditions. without assuming population normality, what is the approximate probability that the sample mean hardness for a random sample of 40 pins is at least 51?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 16:20
Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m โ 3) = 108 m(m + 3) = 108 (m + 3)(m โ 3) = 108 (m โ 12)(m โ 9) = 108
Answers: 1
Mathematics, 21.06.2019 19:30
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
Mathematics, 21.06.2019 19:30
Choose the more precise measurement. 26.4 cm or 8.39 cm
Answers: 1
Mathematics, 21.06.2019 21:30
Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.
Answers: 3
You know the right answer?
1/.1897rockwell hardness of pins of a certain type is known to have a mean of 50 and a standard devi...
Questions
History, 27.03.2020 04:28
Physics, 27.03.2020 04:28
English, 27.03.2020 04:28
History, 27.03.2020 04:28
Computers and Technology, 27.03.2020 04:29
Mathematics, 27.03.2020 04:29
