In Alan"s class there are 12 boys and 13 girls what is the ratio of boys and girls
1 answer:
You might be interested in
Using probability concepts, it is found that:
a) The missing value is 0.04.
b) The mean is of 0.37.
The distribution is given by:
Item a:
The sum of <u>all the probabilities has to be 1</u>, that is:
Thus:
The missing value is 0.04.
Item b:
The mean is given by the <u>sum of each outcome multiplied by it's probability</u>, thus:
The mean is of 0.37.
A similar problem is given at brainly.com/question/20709747