a restuarnt that bills its house account monthly is concerned that the average monthly bill, exceeds $200 per account. a random smaple of 12 accounts os selected, resulting in a smaple mean of $220 and a standard deviation of $12. the t test is to be conducted at the 5% level of significance. what is the null hypothesis and alternate hypothesis a) the null hypotheses is u < or equals to 200. the alternate hypothesis u< or equals to 200 b)the null hypotheses is u = 200. the alternate hypothesis u is not equal to 200 c)the null hypotheses is u < or equal to 220. the alternate hypotheis is u>220 d)the null hypotheses is u 200 e) the null hypothesis is u>200. the alternate hypotheis is u< or equals to 200
a restuarnt that bills its house account monthly is concerned that the average monthly bill, exceeds $200 per account. a random smaple of 12 accounts os selected, resulting in a smaple mean of $220 and a standard deviation of $12. the t test is to be conducted at the 5% level of significance. what is the null hypothesis and alternate hypothesis
a) the null hypotheses is u < or equals to 200. the alternate hypothesis u< or equals to 200
b)the null hypotheses is u = 200. the alternate hypothesis u is not equal to 200
c)the null hypotheses is u < or equal to 220. the alternate hypotheis is u>220
d)the null hypotheses is u <or equals to 200. the alternate hypothesis u>200
e) the null hypothesis is u>200. the alternate hypotheis is u< or equals to 200
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