Mathematics, 11.12.2019 01:31 F00Dislife
Aconservationist wants to know if the average water level in horseshoe lake is more than the average water level in swan lake.
1. a sample of 23 observations from horseshoe lake has a mean of 43 meters and a standard deviation of 3.2 meters.
2. a sample of 23 observations from swan lake has a mean of 38 meters and a standard deviation of 2.4 meters. test his hypothesis at α = 0.01.
group of answer choices:
o reject h0; it appears that the average water level in horseshoe lake is more than the average water level in swan lake.
o fail to reject h0; it appears that the average water level in horseshoe lake is not more than the average water level in swan lake.
o not sufficient information to decide
Answers: 2
Mathematics, 21.06.2019 18:30
The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.
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Mathematics, 21.06.2019 21:00
Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1
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