statistics

Suppose that diastolic blood pressure readings of adult males have a bell-shaped distribution with a mean of 84
84
mmHg and a standard deviation of 9
9
mmHg. Using the empirical rule, what percentage of adult males have diastolic blood pressure readings that are greater than 102
102
mmHg? Please do not round your answer.

  1. 👍
  2. 👎
  3. 👁
  1. Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability of the Z score. Multiply by 100 to get the percentage.

    1. 👍
    2. 👎
  2. Suppose that diastolic blood pressure readings of adult males have a Bell-shaped distribution with a mean of 80 mmHg and a standard deviation of 10 mmHg. Using the empirical rule,what percentage of adult males have diastolic blood pressure readings that are less than 70 mmHg?

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people are randomly selected, find the probability that their mean blood pressure will be less than 125.

  2. Math

    If an adult male is told that his height is within two standard deviation of the means of the normal distribution of height of adult males, what can we assume?

  3. Maths *have answer, want method* Urgent!

    Suppose that the blood pressure of the human inhabitants of a certain Pacific island is distributed with mean, \mu = 108 mmHg and standard deviation , \sigma = 6 mmHg. According to Chebyshev's Theorem, at least what percentage of

  4. Math

    In a study of 800 men,diastolic blood pressure was found to be approximately normally distributed, with a mean of 84 millimeters (mm) of mercury and standard deviation of 10 millimeters. Use the 68-95-99.7% rule to determine what

  1. statistics

    Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has normal ditribution, the mean and the

  2. Statistics

    Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.62 and a standard deviation of 0.43. Using the empirical rule, what percentage of the students have

  3. statistic

    A special diet is intended to reduce systolic blood pressure among patients diagnosed with stage 2 hypertension. If the diet is effective, the target is to have the average systolic blood pressure of this group be below 150. After

  4. Precalc Repost

    Hello, I'm trying to figure out how to do this problem, but don't know where to begin. I think some information is missing. Blood Pressure: The function P=120+30Sin 2pi(t) models the blood pressure (in millimeters of mercury) for

  1. statistics

    Suppose that IQ scores have a bell-shaped distribution with a mean of 95 95 and a standard deviation of 18 18 . Using the empirical rule, what percentage of IQ scores are at least 149 149 ? Please do not round your answer.

  2. Math 1

    In a study of 500 men, diastolic blood pressure was found to be approximately normally distributed, with a mean of 82 millimeters (mm) of mercury and standard deviation of 10 millimeters. Use the 68-95-99.7% rule to determine what

  3. statistics

    Suppose X has a mound-shaped distribution with sigma=9. A random sample of size 36 has a sample mean 20. Is it appropriate to use a normal distribution to compute a confidence interval for the population mean u?

  4. MAth

    Scores of an IQ test have a bell shaped distribution with a mean of 100 and a standard deviation of 19. Use the empirical rule to determine the following. a.) What % of people has an IQ score between 81 and 119?

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