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Table records the number of days

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Reference no: EM132126417

The following table records the number of days the stock market recorded the following outcomes:

# of Days NASDAQ Up NASDAQ Down NASDAQ Unchanged

DJIA Up 30 15 4

DJIA Down 10 40 3

DJIA Unchanged 3 5 2

What is the probability that the outcome "DJIA Up and NASDAQ Down" occurs?

What is the probability that the DJIA goes up?

If it were known that the DJIA is down, what is the probability the NASDAQ would be up?

I have difficulties to solve this problem. Could anyone help me to understand the problem?

Reference no: EM132126417

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Table records the number of days : The following table records the number of days the stock market recorded the following outcomes:
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