subject
Mathematics, 12.02.2021 14:00 yere144k

A survey asks a random sample of 400 adults in Ohio if they support an increase in the state sales tax. Let X denote the number in the sample that say they support the increase. Suppose that 32% of all adults in Ohio support the increase. The mean of X is: The standard deviation of X is:

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey
Answers: 3
question
Mathematics, 21.06.2019 17:30
Triangle xyz has vertices x(1,3), y(0,0)
Answers: 1
question
Mathematics, 21.06.2019 18:40
Acircle has a circumference of 28.36 units what is the diameter of the circle
Answers: 2
question
Mathematics, 21.06.2019 19:30
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
You know the right answer?
A survey asks a random sample of 400 adults in Ohio if they support an increase in the state sales t...
Questions
question
Mathematics, 18.03.2021 01:50
question
Mathematics, 18.03.2021 01:50
question
Mathematics, 18.03.2021 01:50
Questions on the website: 13722363