Mathematics, 07.12.2021 06:20 oof529
In a study of facial behavior, people in a control group are timed for eye contact in a 5-minute period. Their times are normally distributed with a mean 186 of seconds and a standard deviation of 52 seconds. Use the 68-95-99.7 rule to find the indicated quantity. Find the percentage of times within 52 seconds of the mean of 186 seconds.
Answers: 3
Mathematics, 21.06.2019 14:50
Alength on a map is 7.5 inches. thescale is 1 inch: 5 miles. what is theactual distance? a 1.5 miles c 12.5 milesb 2.5 miles d 37.5 miles
Answers: 1
Mathematics, 21.06.2019 19:00
What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)
Answers: 2
In a study of facial behavior, people in a control group are timed for eye contact in a 5-minute per...
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