-5 -3. -1. 1
<—|—|—|—•|•—|—|—•|•—|—|
-6 -4. -2 -0 2
Which of the following can...
Mathematics, 07.04.2020 21:01 kenz391
-5 -3. -1. 1
<—|—|—|—•|•—|—|—•|•—|—|
-6 -4. -2 -0 2
Which of the following can be added to the number indicated on the number line above to sum to
0?
А. -1/3
В. 1/3
C. -3
D. 3
Answers: 2
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The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels
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Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
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Arandom sample of n = 25 observations is taken from a n(µ, σ ) population. a 95% confidence interval for µ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 − α)% needed.
Answers: 3
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