Describe a situation in which the rate of change for data over a short period of time would be a good estimate for the rate of c
hange over a longer period of time.
Write 2 - 4 sentences describing this situation and the patterns you would expect to find in the data.
Include your reasoning on why this situation is a good indicator for the rate of change over a longer period of time.
Write 2 - 4 sentences describing a factor that might impact the rate of change so that it is no longer a good indicator of the rate of change in future observations.
Include your predictions about the effects of the factor on the rate of change.
Write 2 - 4 sentences describing this situation and the patterns you would expect to find in the data.
Include your reasoning on why this situation is a good indicator for the rate of change over a longer period of time.
Write 2 - 4 sentences describing a factor that might impact the rate of change so that it is no longer a good indicator of the rate of change in future observations.
Include your predictions about the effects of the factor on the rate of change.
1 answer:
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Answer:
Step-by-step explanation:
Given that the time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes.
P(completing exam before 1 hour)
= P(less than an hour) = P(X<60)
=P(Z<)
=0.5-0.34=0.16
i.e. 16% of students completed the standardized exam.