Based on data from the American Red Cross, there is a 0.45 probability that a randomly selected American will have Type O blood. This means that

A Food Marketing Institute found that 26% of households spend more than $125 a week on groceries. Assume the population proportion is 0.26 and a simple random sample of 291 households is selected from the population. What is the probability that the sample proportion of households spending more than $125 a week is less than 0.23?

To investigate how often families eat at home, Harris Interactive surveyed adults living with children under the age of 18. The survey results are shown in the following table. Number of Family Meals per Week Number of Survey Responses 0 5 1 10 2 28 3 35 4 30 5 115 6 118 7 or more 145 For randomly selected family with children under the age of 18, compute the probability the family eats at least four meals at home during the week.

Refer to the sample data for pre-employment drug screening shown below. If one of the subjects is randomly selected, what is the probability that the test result is a false positive? Who would suffer from a false positive result? Why? Pre-Employment Drug Screening Results Positive test result Negative test result Drug Use Is Not Indicated Drug Use Is Indicated Subject Uses Drugs 37 4. Subject Is Not a Drug User 17 35 The probability of a false positive test result is

The following table shows the numbers of patients classified as underweight, normal weight, overweight and obese according to their diabetes status.       Underweight Normal Weight Overweight Obese Diabetes 8 34 65 43 No Diabetes 12 85 93 40       What is the probability that a patient selected at random is overweight?                         Answer:    What is the probability that they are obese and diabetic?     What proportion of the diabetics are obese?

About 8% of the U.S. population catches the flue each season. Assuming everyine h?as equal probability of cathcing the flu, about what are the odds of catching the flu in any given season?

In a 2018 study, it was determined that 14% of Americans smoke. In a separate study, it was determined 9% of smokers die of lung cancer, and 1% of non-smokers die of lung cancer. Assuming these values hold true today, find the following: a. What is the probability that a randomly selected person is a smoker and died of lung cancer? b. What is the probability that a randomly selected person dies of lung cancer? c. What is the probability that a randomly selected person is a smoker or died of lung cancer?

R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is selected, what is the probability that At most 3 people will agree with that statement. Select one: a. 1 O b. 0.913 c. 0.8 O d. 0.7

The American Red Cross says that about 45% of the U.S. population has Type O blood, 40% Type A, 11% Type B, and 4% Type AB Round your answers to the nearest hundredth, O.XX. a. What is the probability that the next blood donor who enters a donation center has Type O or Type A blood? type your answer... b. What is the probability that the next three blood donors all have Type O blood? type your answer... Previous

Refer to the sample data for​ pre-employment drug screening shown below. If one of the subjects is randomly​ selected, what is the probability that the test result is a false​ positive? Who would suffer from a false positive​ result? Why?   Pre-Employment Drug Screening Results   Positive test result Negative test result     Drug Use Is Indicated Drug Use Is Not Indicated Subject Uses Drugs 42 11 Subject Is Not a Drug User 17 34