MATH 274-07 Jordan Sewell &13 Homework: Section 6.1 Homework ne e Score:0 of 1 p

Question

MATH 274-07 Jordan Sewell &13 Homework: Section 6.1 Homework ne e Score:0 of 1 pt 10 of 10 (5 complete) HW Score: 30 rrent Sco 6.1.49 Questo hempts For bone density scoes that are normaly distributed with a mean of 0 and a standard deviation of 1, ind the percentage of scores that are a significantly high (or at least 2 standard deviations above the mean b. significantly low (or at least 2 standard deviations below the mean) c.not sigrificant (or less than 2 standard deviations away from the mean) Question a.The percentage ofbone density scores that are sigríficantly high SOx Round to two dedimal places as needed) Question and then clicx Check Cear A

Explanation / Answer

a)
P(Z > 2) = 0.0228

=2.28%

b)
P(Z< -2) =0.0228

=2.28%

c)
P(-2 <Z<2) = 0.9545

=95.45%

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