30-5d ( where d stands for amount of days, and 5 is the amount of moeay paid per day)
Answer:

Step-by-step explanation:
<u>Confidence Interval</u>
When the population standard deviation
is known, the formula for a confidence interval for a population mean
is:

Where n is the sample size and z is the corresponding z-value from the standard normal distribution for the selected confidence level. The value of z for a 95% confidence interval is z=1.96. The rest of the values are

Calculating the confidence interval


Or, equivalently

Answer:
5. 57 9. 63
Step-by-step explanation:
Im Smart
Answer:
Step-by-step explanation:
hello :
−7x>10
multiply by : -1 : 7x < -10
x< -10/7
Answer:
39 = r-13
Step-by-step explanation: