Answer:
a) 0.194
b) $440.8
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $9.40
Standard Deviation, σ = $4.40
Formula:
Standard error due to sampling =
a) P(tips from 40 parties > $400)
Thus, the average pay is
P(x > 10)
Calculation the value from standard normal z table, we have,
b) We have to find the value of x such that the probability is 0.01
Calculation the value from standard normal z table, we have,
Thus, the mean tip is $11.02
Tip for 40 parties =
Thus, he earns $440.8 on the best 1% of such weekends.
Answer:
B) To solve, find the cost of 1 pound of apples; write a division equation.
C) The correct equation for this problem is 5a = $6.45. Solve this problem by dividing both sides by 5.
F) Each pound of apples costs $1.29.
Answer:
126
Step-by-step explanation:
Hope it helped :)
Answer:
The balance in Bank B will be greater.
Step-by-step explanation:
Because simple interest is just interest on the principle only which is 50 every year doesn't change but with compound interest you will get 2% Interest every year. principle+interest
4y + 29 is the answer. 3y plus y equals 4y, and 5 plus 24 equals 29.