Mathematics, 21.04.2021 23:30 Geo777
The time it takes students to complete a biology final exam
is a random variable having a normal distribution with mean
160 minutes and standard deviation 15 minutes.
A, B, C and D are four friends taking this exam. What is
the probability that at least one of them will complete the
exam in less than 145 minutes? (Assume their completion
times are independent.)
Answers: 3
Mathematics, 21.06.2019 17:00
Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.
Answers: 2
Mathematics, 21.06.2019 19:00
Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct
Answers: 1
Mathematics, 21.06.2019 19:00
1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?
Answers: 1
Mathematics, 21.06.2019 19:40
F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?
Answers: 1
The time it takes students to complete a biology final exam
is a random variable having a normal d...
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