Mathematics, 05.02.2020 10:58 kay8739
The difference of sample means of two populations is 108.7, and the standard deviation of the difference in sample means is 32. which statement is true if we are testing the null hypothesis at the 68% confidence level?
a. the difference of the two means is significant at the 68% confidence level, so the null hypothesis must be rejected.
b. the difference of the two means is significant at the 68% confidence level, so the null hypothesis must be accepted.
c. the difference of the two means is not significant at the 68% confidence level, so the null hypothesis must be rejected.
d. the difference of the two means is not significant at the 68% confidence level, so the null hypothesis must be accepted.
Answers: 3
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Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g
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Grahamβs monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points
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Mathematics, 22.06.2019 01:30
Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?
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