selection now find exactly what

70% of the people in a community are eligible to vote. If 25 people are selected at random, then what is the probability that exactly 15 of them can vote? => 0.09 or 0.42 or 0.60 or 0.91..

75% of the students in a class pass an examination. If 15 people are selected at random, then find the probability that exactly 7 of them have passed the examination. => 0.35 or 0.013 or 0.47 or 0.75..

In a town T, 30% of the people suffer from some kind of health disorder. If 12 people are selected at random, then what is the probability that exactly 3 of them suffer from a disorder. => 0.24 or 0.075 or 0.25 or 0.30..

There are 36 raincoats for sale at a men's clothing store. 15 of them are black. If 10 raincoats are selected to be marked down, then what is the probability that exactly three will be black? => 0.34 or 0.21 or 0.034 or 0.021..

In a survey, 40% of the students interviewed said that they study in the weekends. If 9 students are selected at random, then find the probability that exactly 3 of these students study in the weekends. => 0.16 or 0.33 or 0.251 or 0.40..

In a class of 50 students, there are 30 boys and 20 girls. A committee of 8 students has to be formed. Find the probability that exactly 5 boys are selected. => 0.11 or 0.03 or 0.30 or 0.01..

A survey conducted found that 40% of the students in a school read while they are traveling. If 300 students are selected at random, then find the probability that exactly 100 say they read while they are traveling. => 98.1% or 0.3% or 48.9% or 49.2%..

In a survey it was found that 20% of people living in a society watch channel A. If a random sample of 10 people is selected, then find the probability that exactly 5 people in the sample watch channel A. => 0.5 or 0.2 or 0.026 or 0.26..

Selection is an important technique in plant breeding. It involves picking the healthiest and the best ones out of the entire crop and reproducing them under controlled condition..

Selection - It is a process of selective improvement of a crop. In selection, a plant is selected based on its genotypic and phenotypic characters in order to improve some of its characters in its next generation. Natural selections have occurred in..