The expression 100−2.5x represents the balance of Grace’s lunch account after x days. The expression 100+2.5(5−x) represents the
1 answer:
You might be interested in
Using the binomial distribution, it is found that approximately 156 cards must be drawn from the deck before players' tokens move forward 50 times.
<h3>What is the binomial probability distribution?</h3>It is the probability of <u>exactly x successes on n repeated trials, with p probability </u>of a success on each trial.
The expected number of trials until q successes is:
In this problem, the parameters are given as follows:
q = 50, p = 0.32.
Hence:
More can be learned about the binomial distribution at brainly.com/question/24863377
#SPJ1
Answer: 1537.
Step-by-step explanation:
Formula for sample size :-
Given :
Margin of error : E= 100
Critical value of 95% confidence :
Now, the required sample size will be :-
Hence, the minimum sample size required = 1537.