subject
Mathematics, 12.12.2020 16:00 shortiibrownskiin

Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and a standard deviation 20.7. Find the first quartile Qy, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.)
The first quartile is
(Type an integer or decimal rounded to one decimal place as needed.)

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:50
Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000
Answers: 1
question
Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
Answers: 1
question
Mathematics, 21.06.2019 18:30
An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?
Answers: 1
question
Mathematics, 21.06.2019 19:00
Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?
Answers: 2
You know the right answer?
Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and a standard...
Questions
question
English, 31.10.2019 06:31
question
Biology, 31.10.2019 06:31
Questions on the website: 13722362