Mathematics, 04.05.2021 01:10 paige1616
A random sample of the price of gasoline from 40 gas stations in a region gives the statistics below. Complete parts a) through c). y overbarequals$3.59, sequals$0.26 a) Find a 95% confidence interval for the mean price of regular gasoline in that region. (nothing comma nothing )(Round to three decimal places as needed.) b) Find the 90% confidence interval for the mean. (nothing comma nothing )(Round to three decimal places as needed.) c) If we had the same statistics from a sample of 80 stations, what would the 95% confidence interval be now? (nothing comma nothing )(Round to three decimal places as needed.)
Answers: 2
Mathematics, 21.06.2019 18:00
Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?
Answers: 2
Mathematics, 21.06.2019 18:30
The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.
Answers: 1
Mathematics, 21.06.2019 19:00
Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.
Answers: 3
A random sample of the price of gasoline from 40 gas stations in a region gives the statistics below...
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