Data managment math

2:Hoyda has 15 percent of the car market. If a random sample of 20 auto mobiles is conducted what is the probabilitity that (a) exactly one of the car was made by hoyda (b) atleast two of the car were made by hoyda.

  1. 👍
  2. 👎
  3. 👁
  1. I will be happy to critique your thinking.

    1. 👍
    2. 👎
    👤
    bobpursley
  2. dsfsfsd

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Statistics

    In a study by Peter D. Hart Research Associates for the Nasdaq Stock Market, it was determined that 20% of all stock investors are retired people. In addition, 40% of all adults invest in mutual funds. Suppose a random sample of

  2. statistics

    Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult database, an estimate of the percentage of adults who have at some point in their life been told they have

  3. Statistics

    the manufacturer of a certain brand of auto batteries claims the mean life of these batteries is 45 months. A consumer protection agency that wants to check this claim took a random sample of 36 such batteries and found the mean

  4. Statistics

    A state survey investigates whether the proportion of 8% for employees who commute by car to work is higher than it was five years ago. A test on employee commuting by car was done on a random sample size of 1000 and found 100

  1. statistics

    Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution with sigma =2.3%. A random sample of 17 Australian bank stocks has a sample mean of x bar 7.74%. For

  2. Statistics

    Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult database (A-5), an estimate of the percentage of adults who have at some point in their life been told they

  3. math

    I was given a table that showed a simple random sample of adults' age and annual income living in suburb of a large city. a) What is the probability that a person chosen at random from those in this sample will be the 31-45 age

  4. statistic

    A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally‚Äč distributed, what

  1. Statistics

    Consider the trash bag problem. Suppose that an independent laboratory has tested trash bags and has found that no 30-gallon bags that are currently on the market have a mean breaking strength of 50 pounds or more. On the basis of

  2. Statistics

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation

  3. math

    Which sample is better for making a prediction? Why? Sample A: A random sample of 10 customers leaving a store Sample B: A random sample of 100 customers leaving a store i think maybe sample a would be more better for just a

  4. statistics

    According to the local real estate board, the average number of days that homes stay on the market before selling is 78.4 with a standard deviation equal to 11 days. A prospective seller selected a random sample of 36 homes from

You can view more similar questions or ask a new question.