statistics

An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly selected, their mean weight exceeds 115 grams.

  1. 0
  2. 6
asked by V
  1. Answered in your other post.

    posted by MathGuru

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if
  2. Statistics

    An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are independently and normally distributed with a mean of 120 cm and a standard deviation of 4.7 cm. Find the
  3. Statistics

    A machine fills 12 ounce bottles with soda. For the machine to function properly, the standard deviation of the sample must be less than or equal to 0.02 ounce. A sample of 8 bottles is selected, and the number of ounces of soda
  4. Applied Calculus

    In deciding whether o r not to setup a new manufacturing plant, analysts for a popcorn company have decided that a linear function is a reasonable estimations for the total cost C(x) in dollars to produce x bags of microwave
  5. 8th grade

    four families bought popcorn at a game.The Wilson's bought half the bags of popcorn plus one. the Martinez's bought half of the remaining bags plus one. the Brightfeather's bought half of the remaining bags plus one. The
  6. Math

    Kendrey had 1 1/3 bags of popcorn. About how much more does she need to have about 4 bags of popcorn? 3 Give two di erent possible answers.
  7. math

    A machine packages bags of almonds. The weights of the bags are normally distributed with a mean of 14 oz and a standard deviation of 1.2 oz. Enter the z-score of a bag of almonds that weighs 12.2 oz. my answer: -1.5
  8. math

    At a popcorn factory, for every kilogram of popcorn that is popped, 100 grams are not popped. The factory pops 5 kilograms every day. What is the total weight in kilograms, of the unpopped corn in the month of april?
  9. math

    Betty had $40 in her pocket. She bought 12 identical bags of popcorn. Betty was left with $10 after buying the popcorn. What was the price, in dollars, of each bag of popcorn? 0.55 2.50 4.17 5.20 I think it c
  10. math,help

    how do i set this up...i need help in the set up... In deciding whether or not to set up a new manufacturing plant, analysts for a popcorn compnay ave decided that a linear function is a reasonable estimation for the total cost

More Similar Questions