1/6 can be be 4/24, 1/3 can be 8/24, and 1/4 can be 6/24. Add them together and you get 18/24, then do 1 (or 24/24) minus 18/24 which equals 6/24 or 1/4
Answer:
C. b=1053
Step-by-step explanation:
Isolate b:
- 0.25b+168.75=432
- Subtract 168, 0.25b=263.25
- Divide by 0.25, b=1053
Answer:
Null hypothesis : 
Alternate hypothesis : 
Step-by-step explanation:
To Find : State the hypotheses to be tested.
Solution
Mean = 72
Standard deviation = 20
N = 30
Claim : Shorney Construction Company bids on projects assuming that the mean idle time per worker is 72 or fewer minutes per day.
So, Null hypothesis : 
Alternate hypothesis : 
A. 5
5*6=30, so 5/30= 1/6th