Answer:
what- what reading
Step-by-step explanation:
Answer:
Sample size should be atleast 617
Step-by-step explanation:
given that a 95% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit.
i.e. margin of error <0.3
Std devition sample = 3.8
For 95% assuming sample size large we can use z critical value
Z critical = 1.96
we have

Sample size should be atleast 617 to get an accurate margin of error 0.3
You would do $5.67 divided by three. one pen is $1.89
Answer:
The answer is 50.24
Step-by-step explanation:
C=2Лr
C=16Л
C=50.24
Answer:
Use the app desmos is really good