The weights of bags of pet food are distributed normally about the mean, 50 lb. the standard deviation is 0.2 lb.

in a group of 20 bags, about how many would you expect to be within one standard deviation from the mean?
8 bags

5 bags

14 bags

3 bags

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.