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Mathematics, 08.10.2021 05:00 dontcareanyonemo

In 1999 the stock market took big swings up and down. A survey of 979 investors asked how often they tracked their portfolio. Round answers to the nearest thousandth. Daily - 227

Weekly - 281

Monthly - 282

Couple times a year - 135

Don't track - 54

Find the probability that an investor tracks his or her portfolio:

a) daily

b) a couple times a year or less

c) more than monthly

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