the time required by a doctor to treat patient follows normal distribution. a sample of 6 patient revealed the following times of treatment in the num of says 10,8,11,5,9 and 7. construct a 99% confidence interval for the true of the time required for the treatment in the number of days.​

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36