Recent content by tcardwe3

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    MHB Mean and standard deviation and probability

    I did the problem but none of my answers match up with the answer choices so I'm obviously doing it wrong. Can someone show me how to do these two problems. I have a test coming up and I am so behind For women aged 18-24, the systolic blood pressure (in hg mm) are normally distributed with a...
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    MHB How is Probability Applied in Newspaper Reading Time Statistics?

    You get .1587
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    MHB How is Probability Applied in Newspaper Reading Time Statistics?

    Okay, so I got .8413 for A and 155 for B Am I on the right track?
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    MHB How is Probability Applied in Newspaper Reading Time Statistics?

    Ummm...I don't see it
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    MHB How is Probability Applied in Newspaper Reading Time Statistics?

    I got 1 for the z score 18-15/3=1.0 and that's .8413 on my z score graph in my book
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    MHB How is Probability Applied in Newspaper Reading Time Statistics?

    The time spent in minutes in reading newspapers for an adult per day can be approximated by a normal distribution with a mean of 15 minutes and a standard deviation of 3 minutes. A-Find the probability that the reading time per day for a randomly selected adult is more than 18 minutes B-If 200...