Groceries because they are a necessity to people
4
Step-by-step explanation:
8 percent * 50 =
(8:100)* 50 =
(8* 50):100 =
400:100 = 4
Given that the sample mean is μ=74 and sample standard deviation σₓ=
.
Thge Z- score is
.
Now we use the Z-score to calculate the required probability.
Refer to standard normal distribution table.
The required probability is

Answer:
x = 55
Step-by-step explanation:
x + (2x+15) = 180
3x + 15 = 180
3x = 165
x = 55