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Graduation Weather Forecast

GMAT-DVHEJU

The local meteorological office gives probabilities for the likely weather on an upcoming high school graduation day:

In the sortable table below, click on the column title to organize the table by that column's values.

Wind Speed
Less than 10 mph 10 to 30 mph More than 30 mph
Sunny 0.32 0.18 0.04
Partly Cloudy 0.17 0.06 0.05
Overcast 0.1 0.06 0.02

Decide whether the following statements are true or false about this scenario.

True

False

True

False

If the wind speeds are less than 10 mph, then the weather has a greater than 50% chance of being sunny.

True

False

The graduation ceremony has a 29% chance of being held inside, if ceremonies are to be held inside during overcast days or days with high wind speeds.

True

False

The chances of graduation day being overcast with low wind speeds in two consecutive years are only 1 in 100.