Cholesterol Levels A medical researcher wishes to see if he can lower the cholesterol levels through diet in 6 people by showing a film about the effects of high cholesterol levels. The data are shown. At a = 0.05, did the cholesterol level decrease on average? Use the P-value method and a graphing calculator. Patient 1 3 4 5 Before 250 219 218 224 209 223 After 216 203 192 190 207 213 Send data to Excel Part 1 of 4 (a) State the hypotheses and identify th claim with the correct hypothesis. = 0 not claim H: > 0 claim This hypothesis test is a one-tailed test.

Q: Find x

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A:

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Q: I also need the p value

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Q: Suppose P(A) = 0.76, P(B) = 0.12 and P(A or B) = 0.54. Determine P(A and B).

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A:

Q: How do we calculate p?

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