# DEVRY MATH 221 WEEK 7 HOMEWORK

Assume a member is selected at random from the population represented by the graph. The scores are given below. Showing 1 to 10 of 11 entries. Briefly explain to your classmates how you obtained your solution. Week 5 Quiz — 3 Sets. Choose a statement below. None of the events are unusual. What is the probability that the card will be a King or a heart? That is all the information that you have. In your follow up replies, consider which number in the odds ratio needs to change and how in order to increase the probability of winning.

What can you conclude about the data? Choose the best answer below. The data provide sufficient evidence to reject the claim. Type an integer or a decimal. The SAT is an exam used by colleges and universities to evaluate the undergraduate applicants. Use the following 5 steps, and include explanations. What is the probability that you 221 lose this game? What is the data set’s level of measurement? You randomly select 10 men and ask each if he considers himself a professional baseball fan.

PONYBOY CURTIS THESIS STATEMENT

A biologist reports a confidence interval of 1. The cards are placed in a bag, and three names are picked from the bag. How many codes are possible? How might you organize or summarize the data?

Write these values down. What type of sampling was used? What is the probability that the card will be a King?

## MATH 221 Statistics for Decision-Making Course

How many different codes are there? Find the probability that the person is frequently or occasionally involved in charity work. Homewotk your answer as a fraction. The histogram is not bell-shaped, so a normal distribution could be used as a model for the variable.

Use the relative frequency histogram below to complete each part. All answers should be complete sentences. B approximate the greatest and least relative frequencies. The scores are shown below. Suppose you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother.

# : MATH Week 7 DQ Rejection Region

Choose the correct probability distribution below. What might be the benefits of describing the data?

KING LEOPOLDS GHOST THESIS

Find the mean of the binomial distribution. The three data sets have the same standard deviations but have different means. A test was administered to a sample of 30 students. In your follow up replies, consider which number in the odds ratio needs to change and how in order to increase the probability of winning. Statistic because the value is a numerical measurement describing a characteristic of a sample.

## MATH 221 Statistics for Decision-Making

Calculating Confidence Intervals for one Variable. Choose the correct description of the population. How can we obtain a measure of devfy strength and direction of the linear correlation based on the data? 