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Abeka 10th grade Algebra 2 Quiz 42 (Section 12.4) with complete verified solutions
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Abeka 10th grade Algebra 2 Quiz 42 (Section 12.4) with complete verified solutions
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Abeka 10th gradeAlgebra 2 Quiz 42
(Section 12.4) with
complete verified
solutions
During the winter months, a convenience store sells hot
chocolate. Sales follow a normal distribution of μ = 200
and σ = 210.
Compare the z-scores of a single-day value of 250 cups
with a 15-day average value of 120 cups. Which value is
farther from the mean? - answer average of 120 cups OR
120 cups
Ivy finishes each puzzle with a normal distribution of times
where μ = 6 minutes and σ = 14 minutes.
Determine the probability of 22 completed puzzles having
an average of 10 minutes or shorter. - answer 90.3%
The standard deviation of averages is the standard
deviation divided by the square root of the _mean_. -
answer sample size
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