Trig question:
Use the following triangle and trigonometric ratios to help demonstrate the
re...
Mathematics, 18.03.2021 03:20 seby77L
Trig question:
Use the following triangle and trigonometric ratios to help demonstrate the
relationship between the sine and cosine of complementary angles. Make sure to
discuss how angles A and B are related, and find the sine and cosine of both
angles A and B .
Answers: 1
Mathematics, 22.06.2019 02:10
Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.
Answers: 1
Mathematics, 22.06.2019 03:50
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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