Mathematics, 07.10.2019 20:30 jack487
Suppose that the probability that any particle emitted by a radioactive material will penetrate a certain shield is 0.01. if 10 particles are emitted, what is the probability that:
a) exactly 2 of the particles will penetrate the shield?
b) how many particles must be emitted in order for the probability to be at least 0.95 that at least one particle will penetrate the shield?
Answers: 1
Mathematics, 21.06.2019 17:10
Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.
Answers: 3
Mathematics, 21.06.2019 19:20
Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a
Answers: 2
Mathematics, 21.06.2019 20:00
Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
Answers: 1
Suppose that the probability that any particle emitted by a radioactive material will penetrate a ce...
Mathematics, 06.03.2021 01:00
Mathematics, 06.03.2021 01:00
Chemistry, 06.03.2021 01:00
History, 06.03.2021 01:00
Mathematics, 06.03.2021 01:00
Mathematics, 06.03.2021 01:00
Mathematics, 06.03.2021 01:00