Mathematics, 24.07.2019 14:30 rowellr3
The state test scores for 12 randomly selected high school seniors are shown on the right. complete parts (a) through (c) below. assume the population is normally distributed. 1425 1227 989 697 729 839 729 742 550 626 1449 941 (a) find the sample mean. x overbarequals nothing (round to one decimal place as needed.) (b) find the sample standard deviation. sequals nothing (round to one decimal place as needed.) (c) construct a 95% confidence interval for the population mean mu. a 95% confidence interval for the population mean is ( nothing, nothing). (round to one decimal place as needed.)
Answers: 1
Mathematics, 21.06.2019 15:30
Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?
Answers: 1
Mathematics, 21.06.2019 17:50
To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1
Answers: 1
Mathematics, 21.06.2019 18:00
In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36
Answers: 3
Mathematics, 22.06.2019 04:10
Is by a(-4, 2), b(-2, 4), c(1, 3), d(2, 2).of ofto . of d′ if90° to a′b′c′d′ (-2, 2) of c″ if90° to a″b″c″d″ (4, -2) of a′′′ if° to a′′′b′′′c′′′d′′′ (3, -1) of b″ if° to a″b″c″d″ (4, 2)
Answers: 1
The state test scores for 12 randomly selected high school seniors are shown on the right. complete...
Mathematics, 09.02.2023 14:20
Business, 09.02.2023 22:50
Computers and Technology, 10.02.2023 02:00
Mathematics, 10.02.2023 02:00
Mathematics, 10.02.2023 03:10
Mathematics, 10.02.2023 03:20
Geography, 10.02.2023 05:20
English, 10.02.2023 07:40
Mathematics, 10.02.2023 08:10
Physics, 10.02.2023 14:00
History, 10.02.2023 14:00