Answer: 40 times
Step-by-step explanation:
Given: Total planks = 20
By using integers, Steps forward is represented by +5, Steps backward s represented by -4.
After first set of two steps ( one forward another backward), 5-4 =1 step forward is captured.
For 20 planks , we require 20 such sets, i.e. he will do this 2x 20 times i.e. 40 times.
Hence, he will do this 40 times to reach the other side.
Sorry don’t know. I’ll try to figure this out for you though!
The question is incomplete:
Andrew is paid $4 per hour for the first 30 hours he works each week. He makes $5 per hour for each hour he works over 30 hours per week. In other words, total wages = fixed wages for 30 hours + additional wages at $5 per hour.
Write a function that gives Andrew’s total wages when he works more than 30 hours. Use the variables w for wages and h for hours.
Answer:
w= 5(h-30)+120
Step-by-step explanation:
From the information provided, the function would be equal to the amount Andrew earns the first 30 hours plus the amount he earns after the 30 hours that would be the result of the additional hours he works after completing 30 multiply for 5 that is the amount he would earn for these hours.
w= 5(h-30)+120
Answer:
A) The sampling distribution for a sample size n=50 has a mean of 18.5 weeks and a standard deviation of 0.849.
B) P = 0.7616
C) P = 0.4441
Step-by-step explanation:
We assume that for the population of all unemployed individuals the population mean length of unemployment is 18.5 weeks and that the population standard deviation is 6 weeks.
A) We take a sample of size n=50.
The mean of the sampling distribution is equal to the population mean:
The standard deviation of the sampling distribution is:
B) We have to calculate the probability that the sampling distribution gives a value between one week from the mean. That is between 17.5 and 19.5 weeks.
We can calculate this with the z-scores:
The probability it then:
C) For half a week (between 18 and 19 weeks), we recalculate the z-scores and the probabilities:
Depends on what your trying to measure !!!