Mathematics, 21.05.2021 17:40 angelo816
3. A college history course has a mean lecture time of 52 minutes with a standard deviation of 2 wines
Suppose we randomly select n = 36 history lectures, what is the probability that the mean lecture time
exceeds the allotted class time of 50 minutes? Assume a normal distribution
(A) 0.9999
(B) 0.8413
(C) 0.1587
(D) 0.0001
(E) None of these is correct.
Answers: 3
Mathematics, 21.06.2019 16:30
896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631
Answers: 2
Mathematics, 21.06.2019 19:30
The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units
Answers: 2
Mathematics, 21.06.2019 22:30
Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways
Answers: 1
3. A college history course has a mean lecture time of 52 minutes with a standard deviation of 2 win...
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