Andre went to a sporting goods store that was having a different sale. He bought a baseball glove and 2 packages of socks. The b
1 answer:
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<em>subtract 2 from both sides</em>
<em>divide both sides by (-4)</em>
Answer:
Step-by-step explanation:
Given that that (X) the amount of time lapsed between consecutive trades on the New York Stock Exchange followed a normal distribution with a mean of 15 seconds.
i.e. X is normal with mean = 15 and unknown std deviation
Given that
i.e. P(
z=-1.475 (from normal table)
Hence
Using this we find P(X>17) =