Assignment help 1901

Hi please help with this as well,

a. A committee consisting of 4 females must be selected out of 12 female employees, assume that the selection is completely random, how many different committees can be selected?

b. It is known that 65% of all voters vote for political party A in the municipal elections

1, Calculate the probability that 20 of the 30 voters will vote for political party A in the municipal elections.

2,Calculate probability that more than 19 but less than 22 Voters will vote for a political party A in the municipal election.

3,Calculate the expected number of voters who will vote for political party A in the Municipal election.

Solution:

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