1. Suppose you roll a special 19-sided die. What is the probability that the number rolled...
1. Suppose you roll a special 19-sided die. What is the probability that the number rolled is a "1" OR a "2"? Round to 3 decimal places.
2. A test was given to a group of students. The grades and
gender are summarized below
| A | B | C | Total | |
| Male | 7 | 10 | 2 | 19 |
| Female | 8 | 5 | 15 | 28 |
| Total | 15 | 15 | 17 | 47 |
If one student is chosen at random from those who took the
test,
Find the probability that the student was male GIVEN they got a
'C'. Round to at least 3 decimal places.
3. A certain disease has an incidence rate of 0.6%. If the false negative rate is 5% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
Homework Answers
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1. Suppose you roll a special 19-sided die. What is the
probability that the number rolled...
Suppose you roll a special 39-sided die. What is the probability that one of the following...
Suppose you roll a special 39-sided die. What is the probability that one of the following numbers is rolled? 17 39 35 Probability = ______(Round to 4 decimal places)
Giving a test to a group of students, the grades and gender are summarized below A...
Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 10 14 18 42 Female 19 11 15 45 Total 29 25 33 87 If one student is chosen at random, Find the probability that the student was female AND got a "A". Question 8 . 1 pts A certain disease has an incidence rate of 0.8%. If the false negative rate is 8% and the false positive rate is...
A) Suppose I roll two fair six-sided dice. What is the probability that I rolled a...
A) Suppose I roll two fair six-sided dice. What is the probability that I rolled a total of 5? B) Suppose I roll two fair six-sided die and I announce that the sum of the two die is 6 or less. What is the probability that I rolled a total of 5?
If a standard six-sided die is rolled twice, what is the probability that the result of the second roll is not less than the result of the first roll
If a standard six-sided die is rolled twice, what is the probability that the result of the second roll is not less than the result of the first roll?Express your answer as a common fraction.
1. A standard six-sided die is rolled. What is the probability of rolling a number greater...
1. A standard six-sided die is rolled. What is the probability of rolling a number greater than 3? Express your answer as a simplified fraction or a decimal rounded to four decimal places. Answer: ____________________ 2. A box contains 48 red marbles, 53 white marbles, and 67 blue marbles. If a marble is randomly selected from the box, what is the probability that it is blue? Express your answer as a simplified fraction or a decimal rounded to four decimal...
Suppose I asked you to roll a fair six-sided die 6 times. You have already rolled...
Suppose I asked you to roll a fair six-sided die 6 times. You have already rolled the die for 5 times and six has not appeared ones. Assuming die rolls are independent, what is the probability that you would get a six in the next roll? 1/6 1/2 5/6 0 1
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You roll a fair six-sided die 5 times. What is the probability that EXACTLY one of...
You roll a fair six-sided die 5 times. What is the probability that EXACTLY one of the rolls lands on 1 (round your answer to 2 decimal places)? 10 4/8
1.) Suppose you roll two fair six-sided dice. What is the probabilty that I rolled a...
1.) Suppose you roll two fair six-sided dice. What is the probabilty that I rolled a total of 5? 2.) Suppose you roll two fair six-sided die and I announce that the sun of the two die is 6 or less. What is the probabilty that you rolled a total of 5?
Giving a test to a group of students, the grades and gender are summarized below Grades...
Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender A | B | C Male 2 | 18 | 16 Female 2019 12 If one student was chosen at random, find the probability that the student got a B. Probability = (Round to 4 decimal places) Get help: Written Example Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender ABC Male 13...
Consider that an 10-sided die, numbered 1-10, is rolled. Find the probability that the roll results in an odd number or a number greater than nine? a) 0.70 b) 0.80 Oc) 0.60 d) 0.85 O e) 0.90
You roll a fair six-sided die 5 times. What is the probability that EXACTLY one of the rolls lands on 1 (round your answer to 2 decimal places)? 10 4/8
Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender A | B | C Male 2 | 18 | 16 Female 2019 12 If one student was chosen at random, find the probability that the student got a B. Probability = (Round to 4 decimal places) Get help: Written Example Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender ABC Male 13...
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