True or false? if the sample mean of a random sample from an x distribution is relatively small, then the confidence interval for μ will be relatively short

Melissa is interviewing for a job in the suburb of another city and decides that the best way to get there is to fly to the city and take a train to the suburb.

Which answer describes the simpler problems that could be used to solve this story problem? Phil bought stamps for his collection. He bought 4 sports stamps and 2 holiday stamps. He also bought 4 times as many president stamps as holiday stamps.

What is the solution to this equation? x - 15 = - 6 1. x=9 2. x = - 9 3. x = - 21 4. x=21

An event has a theoretical probability of 20%. Which of the following must be true?

21 + (-23) - 15 Select all the statements about the expression that are true. It is equivalent to - 2-15 because adding 21 + (-23) is the same as subtracting 21-23.

Kamal has big feet. Kamal's mom says she wouldn't be surprised if he grew to be 7 feet tall! Kamal's new shoes came in a box that measures 16 inches by 9 inches by 6 inches. What is the volume of the shoebox?

Five times the sum of the digits of a two-digit number is 13 less than the original number. If you reverse the digits in the two-digit number, four times the sum of its two digits is 21 less than the reversed two-digit number.

Divide give the quotient and remainder 295 dived by 3

Abby baked 48 dinner rolls and divided them evenly into bags. Let b represent the number of bags. Write an algebraic expression to represent the number of dinner rolls in each bag.

Find an equation of the line which is parallel to the line 4y=8x-5 and passing through (1,-3).