Answered: What iš medht by Probabllity? a. None…

Name: What is meant by Probability?a. None of theseb. It is a numerical mea
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Description: What is meant by Probability?a. None of theseb. It is a numerical measure oflikelihood of the event.c. It is based on inferentialstatisticsd. It is based on assumptions

Math

Probability

What iš medht by Probabllity? a. None of these O b. It is a numerical measure of likelihood of the event. c. It is based on inferential statistics O d. It is based on assumptions

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A survey was being conducted to learn about attitude of a certain population towards the medical and housingplans. The survey asked the male and female respondents that how important the level of risk they had felt inchoosing a housing or a medical plan. The following table was constructed from the data provided. “High”means the respondent said level of risk was either important or very important. Male FemaleHigh 22 27Low 28 23 3 (b) List some possible events from the above random experiment. 3 (c) What is the probability of a survey respondent had said that the level of risk isHigh? Write the sample space of this random experiment. Suppose if a female respondent is selected randomly, what is the probability thisfemale respondent had said level of risk is High?
I need help with the last two specifically.
3. An airline tracks data on the flight arrivals. Over the past 6 months, 65 flights on one route around early, 130 arrived on time, 15 were late, and 30 were cancelled. A. What is probability the flight is early? On time? Late? Canceled? B. Are thes outcomes exclusive? C. What id the probability that a flight is either early or on time?
a. What do you mean by dependent and independent events? Fit one simple real-life example, which really reflect the concepts of dependent and independent events. b. There are five people applied for the position of chief executive of enterprises. Three of the applicants are over the age of 60 years. Two are female and one of them is over 60. i. What is the probability of a female person above 60? ii. If a person is male, what then is the probability of a male below 60? iii. If a person is over 60, what then is the probability of a female above 60?
2. An actuary studied the likelihood that diff rent types of drivers would be involved in at least one collision during any one-year period. The results of the study are presented below. Probability of at least one Туре of driver Percentage of all drivers collision Teen 8% 0.15 Young adult Midlife 16% 0.08 45% 0.04 Senior 31% 0.05 Given that a driver has been involved in at least one collision in the past year, what is the probability that the driver is a young adult driver?
Oilco must determine whether or not to drill for oil inthe South China Sea. It costs $100,000, and if oil is found,the value is estimated to be $600,000. At present, Oilcobelieves there is a 45% chance that the field contains oil.Before drilling, Oilco can hire (for $10,000) a geologist toobtain more information about the likelihood that the fieldwill contain oil. There is a 50% chance that the geologistwill issue a favorable report and a 50% chance of anunfavorable report. Given a favorable report, there is an 80% chance that the field contains oil. Given an unfavorablereport, there is a 10% chance that the field contains oil.Determine Oilco’s optimal course of action. Also determineEVSI and EVPI.
AP Statistics - Unit 6, Inference for Categorical Data: Proportions - Assessment 7. Simon's lawnmower has a probability of 0.3 of starting any time he pulls the starter cord. Which of the following the fifth pull of the starter cord? (1)(0.7) (0.3) (d) (1)(0.7)*(0.3) (0.7) (0.3) (1)(0.7) (0.3) (b) (e) (0.7)' (0.3) (c)
Number 4
11. A pediatrician records the number of ear infections that his patients have during the winter. A distribution of probabilities for number of ear infections is displayed below. Number of ear infections Probability | 1 0.08 3 4 0.08 0.28 0.35 0.16 0.03 0.02 a) What is the probability that a patient has less than 4 ear infections during the winter? b) What is the mean of the probability distribution? 12. A group of 330 people were surveyed. Their marital status was recorded along with answers to several questions. OD question asked was whether Social Life or Job contributes most to their general well-being. The results from this question appear in the table below. Widowed or divorced 56 Single (never married) 57 33 Married 69 Social Life Job 54 61 a) Find the probability that a randomly selected person chose Social Life. b) Find the probability that a randomly selected person is Married and chose Social Life. c) Find the probability that a randomly selected person chose Social Life…
The data on the right represent the number of traffic Male Female Total p fatalities by seat location and gender. Determine P(female) and P(female|passenger). Are the events "female" and "passenger" independent? Passenger 32,932 11,991 44,923 6,580 6,225 12,805 39,512 18,216 57,728 Driver Total Determine P(female). P(female) = (Round to three decimal places as needed.) Determine P(female|passenger). P(female|passenger) = (Round to three decimal places as needed.) Are the events "female" and "passenger" independent? O A. Yes. The occurrence of the event "passenger" does not affect the probability of the event "female." O B. No. The occurrence of the event "passenger" affects the probability of the event "female." OC. Yes. The occurrence of the event "passenger" affects the probability of the event "passenger." O D. No. The occurrence of the event "passenger" does not affect the probability of the event "female."
I NEED QUESTION "D' ANSWERED. The budgeting process for a midwestern college resulted in expense forecasts for the coming year (in $ millions) of $9, $10, $11, $12, and $13. Because the actual expenses are unknown, the following respective probabilities are assigned: 0.3, 0.2, 0.25, 0.05, and 0.2. (a) Show the probability distribution for the expense forecast. x f(x) 9 10 11 12 13 (b) What is the expected value (in $ millions) of the expense forecast for the coming year? $____________million (c) What is the variance of the expense forecast for the coming year? (d) If income projections for the year are estimated at $12 million, comment on the financial position of the college. With this estimate, the college can expect a profit (in $ million) of $_______________ million. From the assigned probability, there is chance that expenses will equal $13 million causing the college to run a deficit profit .
The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a standard deviation of 5.5 ounces. 35 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N b. What is the distribution of ? T - N( c. What is the probability that one randomly selected person drinks between 15.7 and 16.1 ounces of coffee per day?