Mathematics, 12.12.2019 06:31 ayoismeisjjjjuan
Acertain model of automobile has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 32 mpg and a standard deviation of 4 mpg. find the probability that a car selected at random has the following gas mileages.
Answers: 3
Mathematics, 21.06.2019 18:20
Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a. x2 β 4x β 7 = 0b. 4r2 + 11r β 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0
Answers: 1
Mathematics, 22.06.2019 05:50
Astudy found that the variance in the number of vehicles owned or leased by subscribers to a magazine is .094. assume a sample of 12 subscribers to another magazine provided the following data on the number of vehicles owned or leased: 1,1,1,0,3,2,1,1,2,1,0, and 1 a) compute the sample variance in the number of vehicles owned or leased by the subscribers (to 4 decimals). b)test the hypothesis to determine whether the variance in the number of vehicles owned or leased by subscribers of the other magazine differs from .calculate the value of the test statistic (to 3 decimals).
Answers: 2
Mathematics, 22.06.2019 07:30
The sequence [tex]a_{n}[/tex] = 5n + 3 is the same as the sequence [tex]a_{1} = 8, a_{n} = a_{n-1} +5[/tex]
Answers: 1
Acertain model of automobile has its gas mileage (in miles per gallon, or mpg) normally distributed,...
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