statistics

posted by pierce college

A particular fruit's weights are normally distributed, with a mean of 594 grams and a standard deviation of 16 grams.

If you pick a fruit at random, then 18% of the time, their mean weight will be greater than how many grams?

  1. PsyDAG

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.18) and its Z score.

    Z = (score-mean)/SD

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Statistics

    The USDA size standards for eggs are based on weight and are as follows: SMALL: greater than 43 grams, less than 50 grams MEDIUM: greater than 50 grams, less than 57 grams LARGE: greater than 57 grams, less than 64 grams EXTRA LARGE: …
  2. Statistics

    A particular fruit's weights are normally distributed, with a mean of 308 grams and a standard deviation of 31 grams. The heaviest 9% of fruits weigh more than how many grams?
  3. math

    The weights of adult long-tongued fruit bats are known to be normally distributed with a mean of 20.22 grams and a standard deviation of 3.23 grams. What is the probability that a randomly selected bat will: a) weigh at most 15 grams?
  4. Math

    The weights of adult long-tongued fruit bats are known to be normally distributed with a mean of 20.22 grams and a standard deviation of 3.23 grams. What is the probability that a randomly selected bat will: a) weigh at most 15 grams?
  5. 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 …
  6. 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 …
  7. Statistics

    A particular fruit's weights are normally distributed, with a mean of 353 grams and a standard deviation of 6 grams. If you pick one fruit at random, what is the probability that it will weigh between 334 grams and 344 grams?
  8. Statistics

    A particular fruit's weights are normally distributed, with a mean of 764 grams and a standard deviation of 33 grams. The heaviest 15% of fruits weigh more than how many grams?
  9. Mathematics

    a retailing entrepreneur sells sophisticated running shoes whose weights are normally distributed with mean of 12 grams and a standard deviation of 0,5 grams. (a) what is the probability that a shoe weighs more than 13 grams (b) what …
  10. statistic

    A particular fruit's weights are normally distributed, with a mean of 228 grams and a standard deviation of 11 grams. The heaviest 20% of fruits weigh more than how many grams?

More Similar Questions