A confidence interval estimate is desired for the true mean gain in a circuit on a semiconductor device. Assume that the gain is normally distributed with a standard deviation How large must n be if the length of the 95% CI on is to be 10

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.