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Suppose the distirbution of speeds at an interstate highway location is bell-shaped with a mean of 73mph and a standard deviation of 4mph. About 95% of vehicles at this location travel between ____ and ____ mph? A) 65 and 81 mph B) 69 and 77 mph C) 61 and 85 mph
Which of the the following techniques is best used for QUANTITATIVE data? A) Histogram B) Pie Chart C) Two-way Table D) Bar Chart . Find the mean for the following set of values: 12, 14, 19, 13, 17. A) 14.5 B) 14 C) 18.75 D) 15 Which of the following is a matched pairs design? A) Measure levels of depression for a random sample of internet users and for a random sample of non-users. B) Measure level of depression for a random sample on non-internet users: provide them with internet use for a year and then measure their level of depression.
Which one of the following variables is discrete? A) The number of automobiles produced by Ford B) The daily high temperature in Chicago C) The age of the students in our class D) The weight of the students in our class E) The manufacturer of an automobile
A study found that students who procrastinate are more likely to get colds. A sample of 300 college students was asked how often they procrastinate and if they've had a cold in the last two months. Below is a two-way table of counts (rows = whether or not procrastinates). State the appropriate null hypotheses for this study. A) There is no relationship in the population between Procrastination and Having a Cold. B) There is no relationship in the sample between Procrastination and Having a Cold. C) There is relationship in the population between Procrastination and Having a Cold. D) There is relationship in the sample between Procrastination and Having a Cold.
A research project was conducted to study whether gender plays a role in the acceptance of a student into vocational education programs. A random sample of 200 applicants for vocational education was selected from a school district. The data were then summarized into table shown below. The appropriate alternative hypotheses for this study is that gender and acceptance are associated. A) TrueB) False
A general form of Parseval's Theorem says that if two functions are expanded in a Fourier Series.
On Friday, a local hamburger shop sold a combined total 444 of hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Friday?
Probability that Lounging Larry wins the horse race. The odds against Lounging Larry winning the horse race are 5:12.
Three balls are to be randomly selected with replacement from an urn containing 20 balls numbered 1 through 20. If we bet that at least one of the drawn balls
SDJ, Inc., has net working capital of $3,710, current liabilities of $5,500, and inventory of $4,440. What is the current ratio?
A plane flying horizontally at an altitude of 3 mi and a speed of 485 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 5 mi away from the station. Please round yo..
A boat can travel 46 mph in still water. If it travels 270 miles with the current in the same length of time it travels 190 miles against the current, what is the speed of the current?
Michael purchase a certain number of shares of one stock
Conditional Probability of Drawing Different Kinds of Cards. A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting
ben luna received his bank statement with a 27.04 fee for a bounced-check nsf. he has an 815.75 monthly mortgage
For your assignment this week, imagine that you will be building a shed in your back yard. The shed requires a cement foundation that is rectangular in shape.
The practice court at the park is a rectangle. its width is exactly twice its length. the area of the practice field is 450 ft. what are the length and width of the rectangle?
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