a researcher sets out to measure drug use on US college campuses by asking a representative sample of undergraduates whether the
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Answer:
The probability that a randomly selected component needs rework when it came from line A₁ is 0.3623.
Step-by-step explanation:
The three different assembly lines are: A₁, A₂ and A₃.
Denote <em>R</em> as the event that a component needs rework.
It is given that:
Compute the probability that a randomly selected component needs rework as follows:
Compute the probability that a randomly selected component needs rework when it came from line A₁ as follows:
Thus, the probability that a randomly selected component needs rework when it came from line A₁ is 0.3623.
Answer:
<h2>48</h2>Step-by-step explanation:
It's an arithmetic sequence with common difference <em>d = 7</em>.
Find 9th term.
METHOD 1<em>.</em>
<em>Calculate next terms:</em>
METHOD 2.
<em>The explicit formula of an arithmetic sequence:</em>
Substitue:
<em>use the distributive property</em>
Put <em>n = 9</em>: