Question: As a company manager for Claimstat Corp., there is a .40 probability that you will be promoted this year. There is a 0.72 probability that you will get a promotion, a raise, or both. The probability of getting a promotion and a raise is 0.25. a. If you get a promotion, what is the...

Question: As part of its ongoing evaluation, HiEd University conducted a survey of current students regarding their satisfaction with their university experiences. Below is part of the resulting data. Poor Average Excellent Total Less than 60 hours credit 20 70 130 60 hours or more 30 20 Total 40 200 Complete the table. What is...

Question: The sales records of a real estate agency show the following sales over the past 200 days: Number of Houses Sold Number of Days 0 60 1 80 2 40 3 16 4 4 a. Assign probabilities to the sample points and show their values. b. What is the probability the agency will sell...

Question: Suppose that 9 female and 7 male applicant have been successfully screened for 5 positions. If the 5 positions are filled at random from the 16 finalists, what is the probability of selecting A. 3 females and 2 males B. 4 females and 1 male C. 5 females D. at least 4 females

Question: Health status of UNCC students was investigated in the research study. The distribution of fasting glucose (FG) was approximately normally distributed with mean 97 and standard deviation of 10. During 12 days, a sample of fifty students was selected. What is the probability that at least 6 students have FG < 87? Selected values...

Question: During typical 5 years the average number of new cancer cases of certain type in Charlotte was 60. Assume that the number of new cancer cases can be well modeled using Poisson distribution. If conditions for the disease are similar during 2014, how high is the chance that 10 or more cases will be...

Question: In certain community the prevalence of hypertension (HT) among three groups (N-normal, P-prediabetic, D-diabetic) are reported in Table 1, while Table 2 presents cross-tabulation of gender and diabetic status for the same community. a) One person is randomly selected from the community. Find probability that this person is female. b) One person is randomly...

Question: Two unrelated participants were selected randomly from the population summarized in the table below. One non-hypertensive female and one hypertensive male were selected. Find a chance that exactly one of the selected people is diabetic. HYPERTENSIVE GENDER % DIABETICS YES F 25% YES M 35% NO F 5% NO M 10% P =

Question: Suppose that the rate of type 2 Diabetes Mellitus (DM) among 40-60 years old is 10% among Caucasians, 15% among African-Americans, 20% among Hispanics and 5% among Asian-Americans. Suppose that ethnic distribution in Charlotte, NC among 40-60 years old is 40% Caucasian, 25% African-American, 20% Hispanic and 15% Asian-American. What is the chance that...