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  • Statistics homework help?

    IN A CERTAIN TOWN, 40% OF VOTERS ARE IN FAVOR OF A GIVEN BALLOT MEASURE AND 60% ARE OPPOSED. FOR GROUPS OF 400 VOTERS, FINS THE MEAN FOR THE NUMBER WHO OPPOSE THE MEASURE.

    1 AnswerMathematics1 decade ago
  • Stats Help?

    For women aged 18-24, systolic bp (in mmHg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1. Hypertension is commonly defined as systolic blood pressure above 140.

    If 10 women aged 18-24 are randomly selected, what is the probability their mean systolic blood pressure is greater than 140?

    2 AnswersHeart Diseases1 decade ago
  • Stats Help?

    For women aged 18-24, systolic bp (in mmHg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1. Hypertension is commonly defined as systolic blood pressure above 140.

    What is the score that separates the lowest 10% systolic blood pressure from the top 90%?

    1 AnswerDiet & Fitness1 decade ago
  • Stats. Help?

    For women aged 18-24, systolic bp (in mmHg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1. Hypertension is commonly defined as systolic blood pressure above 140.

    If a woman aged 18-24 is randomly selected, what is the probability her systolic blood pressure is above 140?

    1 AnswerHeart Diseases1 decade ago
  • Stats help?

    For women aged 18-24, systolic bp (in mmHg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1. Hypertension is commonly defined as systolic blood pressure above 140.

    If a women aged 18-24 is randomly selected what is the probability her systolic blood pressure is below 120?

    1 AnswerHeart Diseases1 decade ago
  • Stats. help.?

    For women aged 18-24, systolic bp (in mmHg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1. Hypertension is commonly defined as systolic blood pressure above 140.

    What is X; the random variable associated with the above problem?

    2 AnswersMathematics1 decade ago
  • Probability help, please!!!?

    there are 55 democrats and 45 republicans. if 7 are selected for a committee:

    what is the probability that all will be democrats?

    what is the probability that all will be republicans?

    what is the probability that 3 democrats and 4 republicans?

    2 AnswersMathematics1 decade ago
  • math homework help?

    A woman has fifteen blouses and eight pants. Suppose that they all match, how many different outfits can she wear.

    1 AnswerHomework Help1 decade ago
  • probability?

    A batch of lightbulbs contains 45 white bulbs, 12 red bulbs, and 8 blue bulbs. Three different bulbs are randomly selected from the batch (with replacement).

    Find the probability that exactly 1 is red.

    4 AnswersMathematics1 decade ago
  • statistics homework help?

    Companies whose stocks are listed on the New York Stock Exchange have their company names represented by either one, two, or three letters. (repetition of letters is allowed) What is the maximum number of companies that can be listed on the New York Stock Exchange?

    6 AnswersHomework Help1 decade ago