Mathematics, 04.04.2020 13:04, sciencecreation87
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. If students have only 90 minutes to complete the exam, what percentage of the class will not finish the exam in time?
Answers: 2
Mathematics, 21.06.2019 20:20, bbyjoker
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
Answers: 1
Mathematics, 21.06.2019 20:50, jahootey2798
You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2
Answers: 1
The time needed to complete a final examination in a particular college course is normally distribut...
Engineering, 21.08.2019 05:30
Engineering, 21.08.2019 05:30
Engineering, 21.08.2019 05:30