Mathematics, 22.09.2020 21:01 lizzbugg9880
The diameters of aluminum alloy rods produced on an extrusion machine are known to have a standard deviation of 0.0001 in. A random sample of 25 rods has an average diameter of 0.5046 in.1)Test the hypothesis that mean rod diameter is0.5025 in. Assume a two-sided alternative and use α=0.05.2)Find the P-value for this test. 3)Construct a 95% two-sided confidence interval on the mean rod diameter.
Answers: 2
Mathematics, 21.06.2019 15:00
Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52
Answers: 1
Mathematics, 21.06.2019 16:00
Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4
Answers: 2
Mathematics, 21.06.2019 21:00
Which of the following is the best first step in solving the equation below? 4+2㏒³x=17
Answers: 1
Mathematics, 21.06.2019 21:00
Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement
Answers: 2
The diameters of aluminum alloy rods produced on an extrusion machine are known to have a standard d...
Mathematics, 01.03.2021 14:00
Mathematics, 01.03.2021 14:00
Chemistry, 01.03.2021 14:00
Mathematics, 01.03.2021 14:00
Mathematics, 01.03.2021 14:00
Chemistry, 01.03.2021 14:00
Mathematics, 01.03.2021 14:00
Computers and Technology, 01.03.2021 14:00
English, 01.03.2021 14:00