Use the 5 step method and discuss type 1 and type 2 error. 1. An article on CNN reports that Americans are increasingly skimping on their sleep. A researcher wants to determine if Americans are sleeping less than the recommended 7 hours a night. He takes a random sample of 150 Americans and computes the average sleep time of 6.7 hours a night. The standard deviation is known to be 2.1 hours. The level of significance is .01.

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?