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MATI50 HOMEWORK 2 Name: 1. Verify that the table below is a probability model. X 2...
Practice Problem set 4 (Due Tuesday) Bonus points 3 Name Answer the following questions using the...
Practice Problem set 4 (Due Tuesday) Bonus points 3 Name Answer the following questions using the data gathered by researchers, from a random sample of undergraduate students during Spring 2015. 1. It is estimated that that Shoe size of adults 18-20 yrs. Follows a normal distribution with mean 9.5 and sd-2 (55 follows N(9.5, 2)). Test if this is true for the sample of 31 students using the 68, 95, 99.5 rule for normal distributions. Interval Number in this interval...
Use the following for Q1 and Q2. Suppose in a class of 140 students 35 of...
Use the following for Q1 and Q2. Suppose in a class of 140 students 35 of them are Biology Majors. Q1 Q1. ( point) If a student is chosen at random what is the likelihood they will be a Biology Major? P(Biology Major) Q2. (1 point) If a student is chosen at random what is the likelihood they are not a Biology Major? P(Not Biology Major) Use the following for Q3 and Q5. Suppose at an ice cream shop there...
need help help with the contingency table ( two tables below) have no idea how to...
need help help with the contingency table ( two tables below)
have no idea how to set them up with 3x2 variables.
6. An ice cream company wants to determine if people's income is refated to the type of flavor they purchase. Therefore, they collected a survey of920 people who visited their store. They categorized people as being high or lowin income and whether or not they chose chocolate, vanilla, or strawberry ice cream. For people who were of low...
Joel surveyed his class asking the question “Do you like school?” The results are as follows:...
Joel surveyed his class asking the question “Do you like school?” The results are as follows: Liked Disliked No opinion Total Male 12 5 2 Female 10 3 1 Total Suppose you draw randomly from the students who answered this survey: a) given that the student is male, what is the probability that the student likes school? b) what is the probability of selecting a female given that dislikes school? c) find the probability that the student is a male...
The accompanying table shows the numbers of male and female students in a particular country who...
The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. Complete parts (a) and (b) below. LOADING... Click the icon to view the data on business degrees. (a) Find the probability that a randomly selected student is male, given that the student received a business degree. The probability that a randomly selected student is male, given that the student received a business degree, is nothing....
For questions #43-46, refer to the contingent table below. Test with α = .01 to see...
For questions #43-46, refer to the contingent table below. Test with α = .01 to see if the gender versus favorite ice cream flavor is dependent. chocolate vanilla male 1247 910 female 859 1415 #43) What is the (O - E)2 / E value for the men and chocolate? a. 65.31 b. 1247 c. 47.99 d. 1025.20 e. 1052.17 What is the critical value? a. 6.635 b. 178.21 c. 31.821 d. 2.706 e. 3.078 What is the value of the...
B) Epidemiologists claim that the probability of breast cancer among Caucasian women in their mid-50s is...
B) Epidemiologists claim that the probability of
breast cancer among
Caucasian women in their mid-50s is 0.005. An established test
identified
people who had breast cancer and those that were healthy. A
new
mammography test in clinical trials has a probability of 0.85 for
detecting
cancer correctly. In women without breast cancer, it has a chance
of 0.925
for a negative result. If a 55-year-old Caucasian woman tests
positive for
breast cancer, what is the probability that she, in fact,...
Question 1 (30 marks) (a) 500 adults were asked whether or not they will get married in the next ...
Question 1 (30 marks) (a) 500 adults were asked whether or not they will get married in the next 3 years. Their responses are recorded in the table. Would marry in the next 3 years Yes(Y) No (N) Male (M) 150 150 Female (F) 100 100 If one adult is selected at random from these 500 persons, find the probability that (i) the response is 'Yes'; [2 marks] (ii) the response is 'Yes' given female; [2 marks] (iii) the response...
1. In a certain business there are bosses and workers, women and men. If a person is picked at random, the probability...
1. In a certain business there are bosses and workers, women and men. If a person is picked at random, the probability of being a boss is .20. If a person is picked at random, the probability of being a woman is 40. Fill in the below table's joint probabilities, assuming work status and gender are independent. Bosses Workers Women Men 2. If the probability of picking someone who is a woman and a boss is.10, what is the probability...
STC 308 AM 68%- Done IBQs Probability (2 of 2) 5) There are 20 students in...
STC 308 AM 68%- Done IBQs Probability (2 of 2) 5) There are 20 students in a classroom. Each student plays only one sport. The table below gives their sport and gender Football Tennis Hockey Female Male 4 (a) One student is selected at random (i) Calculate the probability that the student is a male or is a tennis player Given that the student selected is female, calculate the probability that the student does not play football. (b) Two students...
Practice Problem set 4 (Due Tuesday) Bonus points 3 Name Answer the following questions using the data gathered by researchers, from a random sample of undergraduate students during Spring 2015. 1. It is estimated that that Shoe size of adults 18-20 yrs. Follows a normal distribution with mean 9.5 and sd-2 (55 follows N(9.5, 2)). Test if this is true for the sample of 31 students using the 68, 95, 99.5 rule for normal distributions. Interval Number in this interval...
Use the following for Q1 and Q2. Suppose in a class of 140 students 35 of them are Biology Majors. Q1 Q1. ( point) If a student is chosen at random what is the likelihood they will be a Biology Major? P(Biology Major) Q2. (1 point) If a student is chosen at random what is the likelihood they are not a Biology Major? P(Not Biology Major) Use the following for Q3 and Q5. Suppose at an ice cream shop there...
need help help with the contingency table ( two tables below)
have no idea how to set them up with 3x2 variables.
6. An ice cream company wants to determine if people's income is refated to the type of flavor they purchase. Therefore, they collected a survey of920 people who visited their store. They categorized people as being high or lowin income and whether or not they chose chocolate, vanilla, or strawberry ice cream. For people who were of low...
B) Epidemiologists claim that the probability of
breast cancer among
Caucasian women in their mid-50s is 0.005. An established test
identified
people who had breast cancer and those that were healthy. A
new
mammography test in clinical trials has a probability of 0.85 for
detecting
cancer correctly. In women without breast cancer, it has a chance
of 0.925
for a negative result. If a 55-year-old Caucasian woman tests
positive for
breast cancer, what is the probability that she, in fact,...
1. In a certain business there are bosses and workers, women and men. If a person is picked at random, the probability of being a boss is .20. If a person is picked at random, the probability of being a woman is 40. Fill in the below table's joint probabilities, assuming work status and gender are independent. Bosses Workers Women Men 2. If the probability of picking someone who is a woman and a boss is.10, what is the probability...
STC 308 AM 68%- Done IBQs Probability (2 of 2) 5) There are 20 students in a classroom. Each student plays only one sport. The table below gives their sport and gender Football Tennis Hockey Female Male 4 (a) One student is selected at random (i) Calculate the probability that the student is a male or is a tennis player Given that the student selected is female, calculate the probability that the student does not play football. (b) Two students...
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