Answer:
Step-by-step explanation:
divide the number then add on
Answer: 0.5
Step-by-step explanation:
Formula for binomial probability :-
, where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.
Given : The number of trails : n=7
The probability of success for each trial : p=0.5
Now, the probability that the number x of correct answers is fewer than 4 will be :-

Hence, the probability that the number x of correct answers is fewer than 4 = 0.5
Answer:
what's the question.. I'll help
Answer:
She incorrectly multiplied 15 X 1/4
Step-by-step explanation:
<span> Use the substitution method to justify that the given system of equations has no solution.</span>