Mathematics, 10.12.2020 20:30 juan01sebastian00
Click an item in the list or group of plctures at the bottom of the problem and, holding the button down, drag it into the
correct position in the answer box. Release your mouse button whe the item is place. If you change your mind, drag
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is
Create a proportion using the form
=to represent the folowing word problem.
100
of
What is 60% of 20?
12|7 | 15 |20 3042 60 |78 100n
Answers: 1
Mathematics, 21.06.2019 22:10
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
Mathematics, 21.06.2019 22:20
(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)
Answers: 2
Mathematics, 22.06.2019 04:30
Given: tangent if m 1 = 30° and m = 20°, then m = 10 40 80
Answers: 1
Click an item in the list or group of plctures at the bottom of the problem and, holding the button...
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