Answer: 0.7881446
Step-by-step explanation:
Given : Mean :
Standard deviation :
Sample size :
The formula to calculate the z-score :-
For x= 267 dollars
For x= 269 dollars.
The P-value :
Hence, the probability that they have a mean cost between 267 dollars and 269 dollars.= 0.7881446
side ac = side ab since it is an isosceles triangle
2x-24 = x-2
subtract x from each side
x -24 =-2
add 24 to each side
x =22
bc = x
bc = 22
She could ride 12, 18, 24, or 30 miles in one week. Just find all the multiples of 3 and find the numbers that fit the question.
Answer is in a photo. I can only upload it to a file hosting service. link below!
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Answer: a)
b)
c)
Step-by-step explanation:
Given : Number of students : 11
Number of faculty members : 13
Total persons :
Total number of ways to structure a jury of six people from a group of 24 people :-
a) Number of ways of selecting a jury of all students :-
Then , the probability of selecting a jury of all students :-
b) Number of ways of selecting a jury of all faculty :-
Then , the probability of selecting a jury of all students :-
c) Number of ways of selecting a jury of two students and four faculty :-
Then , the probability of selecting a jury of all students :-