Answer:
B. The dependent variable is the amount of of money he earns and the independent variable is the number of hours he babysits.
Step-by-step explanation:
The amount of money he earns depends upon the amount of time he babysits.
Answer:
ask the questions on here because idk what it looks like.
Step-by-step explanation:
Answer:
The 88% confidence level for the average weight gain if between -1.30 lbs and 4.58 lbs.
Step-by-step explanation:
We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 23 - 1 = 22
88% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 22 degrees of freedom(y-axis) and a confidence level of
. So we have T = 1.6176
The margin of error is:

In which s is the standard deviation of the sample and n is the size of the sample.
The lower end of the interval is the sample mean subtracted by M. So it is 1.64 - 2.94 = -1.30 lbs
The upper end of the interval is the sample mean added to M. So it is 1.64 + 2.94 = 4.58 lbs
The 88% confidence level for the average weight gain if between -1.30 lbs and 4.58 lbs.
Answer:
n(x + y + z)
Step-by-step explanation:
The total number of apples bought is x+y+z. The total expense is the product of the cost and the number bought. If each one costs "n", then the cost is ...
n(x +y +z)
thats one late assignment i wouldn't even do it tbh