statistics

posted by .

Suppose that large dogs weights are normally distributed with a mean of 100 pounds and a standard deviation of 10 pounds. If one of these dogs is picked random:

a) what is the probability that the dog will weigh over 110 pounds?
b) what is the probability that the dog will weigh less than 90 pounds?
c) what is the probability that the dog's weight will be between 90 and 100 pounds?
d) What is the probability that the dog's weight will be between 90 and 110 pounds?
e) If a random sample of 36 dogs is taken rom this population, will the sampling distribution of the mean of that sample have a normal distribtion

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Statistics

    The seasonal output of a new experimental strain of pepper plants was carefully weighed. The mean weight per plant is 15.0 pounds, and the standard deviation of the normally distributed weights is 1.75 pounds. Of the 200 plants in …
  2. statistics

    Assuming that the weights of newborn babies are normally distributed with mean 6.5 pounds and standard deviation 1.2 pounds, how many babies in a group of 80 do we expect to weigh more than 8.9 pounds?
  3. math

    Population of dogs mean rate 26 pounds and a deviation of 3.6 pounds, Population of cats mean rate 10.5 and a deviation of 1.9 if a dog weights 24 pounds and a cat weights 19 pounds. which weighs more for its population?
  4. Statistics

    Assume the weights of men are normally distributed having a mean of 185 lbs and a standard deviation of 17 pounds. A. Calculate the probability a randomly selected man weights less than 225 lbs B. Approximately 72% of men’s weights …
  5. STAT

    The weights of the 100 students in an introductory statistics class are normally distributed, with a mean of 170 pounds and a standard deviation of 5 pounds. How many students would you expect to have weight between 162 pounds and …
  6. STAT

    The weights of the 100 students in an introductory statistics class are normally distributed, with a mean of 170 pounds and a standard deviation of 5 pounds. 1)How many students would you expect to have weight between 162 pounds and …
  7. STAT

    The weights of the 100 students in an introductory statistics class are normally distributed, with a mean of 170 pounds and a standard deviation of 5 pounds. How many students would you expect to have weight between 162 pounds and …
  8. Statistics

    The weights of male babies less than 2 months old in the United States is normally distributed with a mean of 11.5 pounds and a standard deviation of 2.7 pounds. Find the 80th percentile score for these weights.
  9. math

    Bass: The bass in Clear Lake have weights that are normally distributed with a mean of 2.3 pounds and a standard deviation of 0.6 pounds. (a) If you catch one random bass from Clear Lake, find the probability that it weighs less than …
  10. math

    Weights of women are normally distributed with mean 143 pounds and standard deviation 29 pounds. If 36 women are randomly selected, what is the probability that their mean weight is between 120 and 160 pounds?

More Similar Questions