Answer:
Step-by-step explanation:
A contestant on a game show has 30 points. She answers a quest on correctly to win 15 points. Then she answers a question incorr
2 answers:
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The answer is y=-2x+11
Correct answer is: P(x<6) is 0.123 and it is usual.
Solution:-
Given that the time a person takes to decide which shoes to purchase follows normal distribution. Which has mean = 8.21 minutes and standard deviation 1.90
Then probability of individual takes less than 6 minutes is
P(X<6) =
=
= 0.1230
Typically we say an event with a probability less than 5% is unusual.
But here P(X<6) = 0.123 is greater than 5% hence this is usual.