Dan was trying to get faster at his multiplication tables. this table shows the time it took him to complete each of four tests containing 50 simple multiplication problems.

which comparison of the time for each test is correct?
test 1 < test 4
test 2 > test 4
test 1 > test 3
test 3 < test 2

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

What is the answer to this equation? and if you can, find a way to show your work.

People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the