Mathematics, 01.12.2020 01:00, kelebsessoms89
The cost to rent a paddleboard for a different number of hours is shown. Is the cost a function of the rental time?
Time (hours)
1
2
3
4
Cost ($)
25
45
45 55
O
No, since there are two inputs (time in hours) which have the same cost in dollars).
No, since there are two costs (in dollars) which have the same inputs (time in hours).
Yes, since each output (cost in dollars) has a single input (time in hours).
Yes, since each input (time in hours) has a single output (cost in dollars).
Answers: 2
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Arandom sample of n = 25 observations is taken from a n(ยต, ฯ ) population. a 95% confidence interval for ยต 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 โ ฮฑ)% needed.
Answers: 3
The cost to rent a paddleboard for a different number of hours is shown. Is the cost a function of t...
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