Mathematics, 31.03.2021 01:00 hernan99961
Alma is estimating the proportion of students in her school district who, in the past month, read at least 1 book. From a random sample of 50 students, she found that 32 students read at least 1 book last month. Assuming all conditions for Inference are met, which of the following defines a 90 percent confidence interval for the proportion of all students in her district who read at least 1 book last month?
A. 32 +1.645,β(32)(18/50)
B. 32+ 1.9620β β(32)(18/50)
C. 0.64 + 1.282β(0.64 )(0.36)/ 50
D. 0.64 + 1.645β(0.64 )(0.36)/ 50
E. 0.64 + 1.96β(0.64 )(0.36)/ 50
Answers: 3
Mathematics, 21.06.2019 18:30
Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students
Answers: 2
Mathematics, 21.06.2019 21:20
52 cm radius = diameter = area = circumference = circumfer
Answers: 1
Alma is estimating the proportion of students in her school district who, in the past month, read at...
English, 05.07.2019 02:00
Mathematics, 05.07.2019 02:00
Mathematics, 05.07.2019 02:00
Mathematics, 05.07.2019 02:00
Mathematics, 05.07.2019 02:00
Mathematics, 05.07.2019 02:00
English, 05.07.2019 02:00
Chemistry, 05.07.2019 02:00
Physics, 05.07.2019 02:00
Physics, 05.07.2019 02:00
Computers and Technology, 05.07.2019 02:00
English, 05.07.2019 02:00