Step-by-step explanation:
I guess the answer is 187MB
Answer:
Step-by-step explanation:
-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:
Where:
- is the standard deviation
- is the desired margin of error.
We substitute our given values to calculate the sample size:
Hence, the smallest desired sample size is 23
Answer:
20
Step-by-step explanation:
420-400=20
There is 1000 grams in a kilogram so he had a mass of 5,000 grames in his bag