1.

Consider the following data:

x	2	1	0	1	2
P(X=x)	0.1	0.1	0.2	0.2	0

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Step 4 of 5: Find the value ofP(X<2) . Round your answer to one decimal place.

2. Consider the following data:

x	2	1	0	1	2
P(X=x)	0.1	0.1	0.2	0.2	0

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Step 5 of 5: Find the value ofP(X1) . Round your answer to one decimal place.

3. Unknown to a medical researcher,10out of17patients have a heart problem that will result in death if they receive the test drug. 7patients are randomly selected to receive the drug and the rest receive a placebo. What is the probability that less than6patients will die? Express your answer as a fraction or a decimal number rounded to four decimal places.