Astudy of one thousand teens found that the number of hours they spend on social networking sites each week is normally distributed with a mean of 10 hours. the population standard deviation is 2 hours. what is the 95% confidence interval for the mean?
a) 9.88-10
b) 10-10.12
c) 9.88-10.12
d) 9.76-10.24

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.