Children inherit their blood type from their parents, with probabilities that reflect the parents' genetic makeup. Children of Juan and Maria each have probability 1/4 of having blood type A and inherit independently of each other. Juan and Maria plan to have 4 children; let X be the number who have blood type A. (a) What are n and p in the binomial distribution of X

Step-by-step explanation:

We are given the following in the question:

We treat adult having blood type A as a success.

P(Blood type A) =

Then the number of Children of Juan and Maria who have blood type A follows a binomial distribution as there are

Here,

where n is the total number of observations, x is the number of success, p is the probability of success.

Thus, for the given binomial distribution,

55% are girls and 45% are boys : ) hope this

step-by-step explanation:

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies