Interested to Buy Any Domain ? << Click Here >> for more details...
VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 15 : A motel cleaner has 8 master keys at home to open all the rooms in a large motel. Each room can be opened by just 1 of these keys. If 40 % of the rooms are left unlocked, what is the probability that the cleaner can get into a specific room if he selects 3 keys at random before leaving home to go to work? (A) 5 / 8, (B) 5 / 16, (C) 31 / 40, (D) 3 / 20, (E) 19 / 40.
- 1 Answers
- 1831 Views
- I also Faced
- E-Mail Answers
Answer Posted / kangchuentat
VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – ANSWER 15 : A. Probability = 4 / 10 + (6 / 10) (3 / 8) = 5 / 8
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Simplify e(3!*5!*6!*3!=3110400)
In statistics, what is the common term for the square root of the variance?
In a single throw of 3 dice, the chance of throwing a total of 15 is
in what time will RS. 3200 amount to RS.3528 at 5% annum compound interest
Give range for the following six values 2, 7, 11, 19, 25, 33:
explain cognitive constructivism.
the perimetere of a square is 44m more than that of another and 187 sqm more in area then the side of the larger square is
Define Continuity of a function f(x,y) at a point (a,b) ?
State and prove necessary condition for extreme values of the function f (x,y)
find 31 - 29+2/33=__
What is the square root of 256?
find 55/1000=___
the least integer n for which the sum 1+3+5+---+(2n+1) exceeds 9999 is
if logs sqrt(5x)=1,then x equals
What is the difference between Aims & objectives?
