Answer:
4/35 lottery is easier to win.
Step-by-step explanation:
For the 5/48 lottery, the winning probability is
≈0.1042
For the 4/35 lottery, the winning probability is
≈ 0.1143
Since
>
, the lottery where one chooses 4 of the numbers 1 through 35 is easier to win.
Answer:
0.477 is the probability that the average score of the 36 golfers was between 70 and 71.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 70
Standard Deviation, σ = 3
Sample size, n = 36
Let the average score of all pro golfers follow a normal distribution.
Formula:
P(score of the 36 golfers was between 70 and 71)



0.477 is the probability that the average score of the 36 golfers was between 70 and 71.
Hello!
First of all, let's undo the parentheses.
8x+6=18
Now we subtract 6 from both sides.
8x=12
Finally, we divide both sides by 8.
x=1.5
I hope this helps!
I guess you want to find the average speed for the whole journey
average speed = distance travelled / time
the distance from home to the shop = speed * time = 0.5*10 = 5 miles
time for travelling back = distance / speed = 5/30 = 1/6 hours
average speed for whole journey = 10 / (1/2 + 1/6) = 10 * 3 / 2 = 15 mph