Mathematics, 02.09.2021 16:40 rashif123kabir
For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 30 students, and the distribution of total study hours per week is bell-shaped with a mean of 13 hours and a standard deviation of 2.5 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between hours and hours on Statistics each week. b) 95% of the students spend between hours and hours on Statistics each week. c) 99.7% of the students spend between hours and hours on Statistics each week.
Answers: 1
Mathematics, 21.06.2019 14:00, hamidaakter936848
Can someone me with my hwplz(only the circled ones)
Answers: 1
Mathematics, 21.06.2019 16:20, mattmaddox86
The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%
Answers: 2
Mathematics, 21.06.2019 18:30, monyeemonyee12
Find the area of a parallelogram with base 15 yards and height 21 2/3
Answers: 1
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