Mathematics, 02.10.2019 03:10 cabo531
Determine the value of z* such that it satisfies the conditions below. (assume that the requested value of z* is positive. round your answers to two decimal places.) (a) −z* and z* separate the middle 95% of all z values from the most extreme 5%. z* = (b) −z* and z* separate the middle 90% of all z values from the most extreme 10%. z* = (c) −z* and z* separate the middle 98% of all z values from the most extreme 2%. z* = (d) −z* and z* separate the middle 92% of all z values from the most extreme 8%. z* =
Answers: 3
Mathematics, 21.06.2019 15:00
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
Mathematics, 21.06.2019 16:00
What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9
Answers: 2
Mathematics, 21.06.2019 18:00
Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?
Answers: 1
Mathematics, 21.06.2019 18:40
Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?
Answers: 2
Determine the value of z* such that it satisfies the conditions below. (assume that the requested va...
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