Answer:
15.87%
Step-by-step explanation:
Given that:
The mean (μ) = 1000 hours, the standard deviation (σ) = 100 hours.
The z score provides a means of measurement in statistics to determine the variation of a raw score from the mean. The z score is given as:
To find that a randomly chosen light bulb will last less than 900 hours:
Therefore, P(x < 900) = P(z < -1) = 0.1587 = 15.87%
Answer:
<h2><em>0.375 pounds </em></h2>Step-by-step explanation:
Let the amount of trail mix in each bag be x pounds. If Mario has pounds of trail mix and puts equal amounts of the trail mix into 6 bags for a hike with his friends, the amount of trail mix in each bag can be derives using the expression;
solving for x
<em>Hence 0.375 pounds of trail mix will be in each bag</em>
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