out of a group of 30 honest people 20 always speak the truth ..
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Answered by
2
Answer:
yes
Step-by-step explanation:
Answered by
3
Answer:
1 . P(No. of people who speaks truth ) =20/30
=2/3 or 0.66
2 . Mean = 20/30
=2/3 or 0.66
Step-by-step explanation:
1 . Probability of any observation is equal to the No. of favourable outcomes divided by The total no. of outcomes.
2.And mean of an observation is equal to the sum of observations divided by the total no. of observations.
The question describe the no. of people speaking truth per 3 people.
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