Posted by **Anna** on Saturday, November 14, 2009 at 4:44pm.

The probability that Alysha will miss school today is 0.15. The probability that Carla will miss school today is 0.07. The probability that both of these students will NOT miss school today is what?

- probability -
**Haley**, Saturday, November 14, 2009 at 4:52pm
Okay, hete is how to solve this problem:

Since the probability that Alysha will miss is 0.15, that means that it is 15%, right? So, the probability that Alysha will NOT miss is 100 - 15, which is 85%. So the answer is 0.85

Now for Carla. 0.07 = 7%.

100 - 7 = 93%. So the answer is 0.93.

- probability -
**Reiny**, Saturday, November 14, 2009 at 4:54pm
prob(Alysha miss school AND Carla miss school) = (.15)(.07) = .0105

So prob that both will not miss school

= 1 - .0105

= .9895

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