Dr. Potts plays the Kentucky survey to estimate the percentage of adults in 2020 who had had chickenpox your view the previous stay there for 60% of all adults had contracted chicka pop at some time in their life find the number of people who must be surveyed if you want to be 92% confident with a margin of error of 2%

1914
1193
1838
1634

What is the length of an with endpoints a 3,2 and b 8,14

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?

Television viewing reached a new high when the global information and measurement company reported a mean daily viewing time of 8.35 hours per household. use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household. a. what is the probability that a household views television between 4 and 10 hours a day? (to 4 decimals) b. how many hours of television viewing must a household have in order to be in the top 7% of all television viewing household? (to 2 decimals) c. what is the probability that a household views television more than 4 hours a day? (to 4 decimals)