Last Saturday an accident caused a traffic jam 13 miles long on a stretch of the interstate.

a. How many vehicles do you think were in the traffic jam if the average car's
length measures approximately 15 feet?

Explain your thinking and show all
calculations.

b. Would there be more or less vehicles if you were told there were a large
number of SUVs and trucks present in this traffic jam?

Explain your thinking and
show all calculations.

On the april 3 billing date, michaelle chappell had a balance due of $ 1495.39 on her credit card. from april 3 through may 2, michaelle charged an additional $ 305.34 and made a payment of $ 800.a) find the finance charge on may 3, using the previous balance method. assume that the interest rate is 1.8 % per month. b) find the new balance on may 3.

What is the slope of the line shown below?

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.