25 because there's 5 people so you take 5 times 5
The answer to the question is
20/30. 24/30,. 21/30
290-10=280
280 is one standard deviation below.
All that are above mean is 50%.
One standard deviation below is 34%.
50%+34%=84% all of these bags weigh more than 280 g.
So,
100%-84%=16% should be bags that are less than 280 g.
Answer is b) 16 %.
Answer:
Step-by-step explanation:B
