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1) The red blood cells counts of women are normally distributed with a mean of 4.577...

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Basic Math

1) The red blood cells counts of women are normally distributedwith a mean of 4.577 and a standard deviation of 0.382.

Find the probability that a randomly selected woman has a redblood cell count that is lower than 4.2.

(Results are rounded to 4 decimal places)

a) 0.1618

b)  0.8382

c)  0.3382

d) 0.7979

2) A KRC research poll asked respondents if they felt vulnerableto identity theft. Of 1002 people polled, 531 said \"yes\".

Find a 95% confidence interval for the proportion ofpeople who felt vulnerable to identity theft.

(Results are rounded to 4 decimal places)

a)  (0.5034, 0.5564)

b)  (0.4990, 0.5608)

c)   (0.4769, 0.5829)

d)   (0.5041, 0.5559)

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Solution 1 The red blood cells counts ofwomen are normally distributed with a mean of 4577 and a standarddeviation of 0382Find the probability that a randomly    See Answer
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