Both the heads and tails will have a probability of 0.5 with a fair coin. ... TO find probability that foe the 7th toss head appears exactly 4 times.
Answer:
18.75 percent
Step-by-step explanation:
150 / 800 x 100 = 18.75
He moved the decimal to the right 4 times. He should of moved it to the right 2 times. Giving him 0.15%
Answer: Step-by-step explanation:
Answer:
The distance cover by him walking back is 11.25 miles
Step-by-step explanation:
Given as :
Time for Janelle to spend on training = 5 hours
The running speed of Janelle = 9 mph
The walking back with 3 mph
Let The distance for running and walking is same i.e D miles
SO, Time = 
∴ 5 =
+ 
Or, 5 × 9 = D + 3 D
Or, 45 = 4 D
∴ D =
= 11.25 miles
Hence The distance cover by him walking back is 11.25 miles Answer