The length of time a person takes to decide which shoes to purchase is normally distributed with a mean of 8.54 minutes and a st
1 answer:
Answer: 0.0918, it is not unusual.
Step-by-step explanation:
Given : The length of time a person takes to decide which shoes to purchase is normally distributed with a mean of 8.54 minutes and a standard deviation of 1.91.
i.e. minutes and
minutes
Let x denotes the length of time a person takes to decide which shoes to purchase.
Formula :
Then, the probability that a randomly selected individual will take less than 6 minutes to select a shoe purchase will be :-
Thus , the required probability = 0.0918
Since, P-value (0.0918) >0.05 , it means this outcome is not unusual.
[Note : When a outcome is unusual then the probability of its happening is less than or equal to 0.05. ]
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Answer:
The overview of the given situation is described in the explanation segment below.
Step-by-step explanation:
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As we know that the determination's coefficient will be:
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(Percent of variance in the answer variable described by the explanatory variable).
Now the correlation among the two variables will be:
As we know,
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