On Friday, 278 fourth graders went on a field trip to the Arizona State museum. The staff divided them into 7 tour groups. Which
2 answers:
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To better understand the problem see the attached figure
we have
Multiply by both sides
Group terms that contain the same variable p and move the constant to the other side of the equation
Answer:
n = 200
p = 0.33.
Step-by-step explanation:
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
In this problem we have that:
33% of the births are Cesarean, so
Sample of 200 births, which eans that,