Math, asked by ramallasharada2002, 2 months ago


88) Marks obtained by a number of students are
assumed to be normally distributed with
mean 65 and variance 25. If 3 students are
taken at random what is the probability that
exactly two of them will have marks over 70?
[Given: Area between Z = 0 and Z = 1 is
0.3413]
(MQB)
a) 0.07 b) 0.08 c) 0,06 d) None​

Answers

Answered by smrutitanayapradhan
0

Answer:

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