Mathematics, 03.12.2019 04:31 dmperez1213
The manager of a grocery store has taken a random sample of 100 customers. the average length of time it took the customers in the sample to check out was 3.1 minutes. the population standard deviation is known to be 0.5 minutes. we want to see if we can find significant evidence to prove that the mean waiting time of all customers is significantly more than 3 minutes. the test statistic is 2. what is the p-value? round your answer to three decimal places.
Answers: 3
Mathematics, 21.06.2019 13:00
Remmi wrote the equation of the line y=â…“(x+2) he solved for x and got x=3y-2 which of the following is an equivalent equation for x? a.x=y-11/3 b.x=y+7/3 c.x=3(y-â…”) d.x=3(y+â…”)
Answers: 1
Mathematics, 21.06.2019 23:00
Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?
Answers: 1
The manager of a grocery store has taken a random sample of 100 customers. the average length of tim...
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