Mathematics, 01.03.2021 07:20 joannegrace37
The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normally distributed random variable with a mean of μ = 25.00mpg and a standard deviation of σ = 1.75 mpg. (a) What is the standard error of X¯¯¯X¯ , the mean from a random sample of 36 fill-ups by one driver? (Round your answer to 4 decimal places.) Standard error of X¯¯¯X¯ (b) Within what interval would you expect the sample mean to fall, with 99 percent probability? (Round your answers to 4 decimal places.) The interval is from to
Answers: 2
Mathematics, 21.06.2019 18:00, phillipsk5480
Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)
Answers: 3
Mathematics, 21.06.2019 18:40, miguel3maroghi
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
Mathematics, 22.06.2019 01:00, NetherisIsTheQueen
Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit
Answers: 1
The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium...
History, 17.03.2021 23:40
Mathematics, 17.03.2021 23:40
Mathematics, 17.03.2021 23:40
History, 17.03.2021 23:40
Mathematics, 17.03.2021 23:40