Solve the Problem

question 47

Multiple Choice

Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. A man wandering in the desert walks 2.5  miles in the direction  . He then turns  90° and walks 3.3 miles in the direction  . At that time, how far is he from his starting point, and what is his bearing from his starting point? Round the distance to one decimal place and the angle to the whole number. ​ ​

• A)The distance is 1.8 mi ; the man's bearing is .
• B)The distance is 4.1 mi ; the man's bearing is .
• C)The distance is 1.8 mi ; the man's bearing is .
• D)The distance is 4.1 mi ; the man's bearing is .
• E)The distance is 4.1 mi ; the man's bearing is .

Comprehend the impact of changing confidence levels on the width of confidence intervals.

Understand the influence of sample size and population standard deviation on the margin of error.

Differentiate between the use of standard normal and t-distributions for constructing confidence intervals.

Apply correct formulas for the standard error of the mean and the margin of error in various scenarios.