Question

A team uses 2 dice for deciding the person who would give a talk on "Technical aspects of effective
communication". Shalini will give a talk only if the product of 2 numbers that turn up is greater than 20.What is the probability that Shalini would talk on the subject?​

Answer 1

Answer:

answer of the question is 1/6

Answer 2

Answer:

probability that shalini would speak on the subject = $\frac{1}{6}$ = 0.16

Step-by-step explanation:

Sample space = { (1,1) (1,2) (1,3) (1,4) (1,5) (1,6) .....(6,1) (6,2) (6,3) (6,4) 6,5) (6,6)}

total number of outcomes = 36

for product of 2 numbers to be greater than 20 the outcomes are

{ (4,6) (5,5) (5,6) (6,4) (6,5) 6,6)}

there are 6 outcomes when product is greater than 20

problility of an outcome = favorable number of outcomes ÷ total number of outcomes

P[product of 2 numbers greater than 20] = $\frac{6}{36}$ = $\frac{1}{6}$

probability that shalini would speak on the subject = $\frac{1}{6}$ = 0.16