if there are 47 students and the failing rate is 15%, what is the probability of...
if there are 47 students and the failing rate is 15%, what is the probability of two students failing. Show steps
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if there are 47 students and the failing rate is 15%, what is
the probability of...
If the records show that the probability of failing this course is p=0.2, what is the...
If the records show that the probability of failing this course is p=0.2, what is the probability that at most 2 students out of 15 fail this course? A-10 B-3 C-1 D-0 F-1 *Failing grades are D's and F's*
If a committee with 2 student members is to be formed, what is the probability of...
If a committee with 2 student members is to be formed, what is the probability of forming a committee with one A grade student and one F grade student? if a committee with 3 student members is to be formed, what is the probability of forming a committee with two A grade student and one B grade student? If the records show that, the probability of failing (with grade F) this course is p,[use the answer of question previous( 0.0666)...
Assume an airplane has 4 engines each failing with probability of 0.0001. What is the probability...
Assume an airplane has 4 engines each failing with probability of 0.0001. What is the probability that all 4 engines fail (none work)? A. 0.9999^4 B. 1 - 0.9999^4 C. 0.0001^4 D. 1
Assume an airplane has 4 engines each failing with probability of 0.0001. What is the probability...
Assume an airplane has 4 engines each failing with probability of 0.0001. What is the probability that at least one engine fail? (Hint: Think about the complement event and its probability first) A. 0.9999^4 B. 1 - 0.9999^4 C. 0.0001^4 D. 1
The manufacturer of an electronic device claims that the probability of the device failing during the...
The manufacturer of an electronic device claims that the probability of the device failing during the warranty period is 0.005. If 3000 of these devices are sold, the probability that at least 15 of them fail during the warranty period is closest to which of the following?
In a certain liberal arts college with about 10,000 students, 47% are males. If two students...
In a certain liberal arts college with about 10,000 students, 47% are males. If two students from this college are selected at random, what is the probability that they are of the same gender? Your answer should be rounded to 4 decimal places. According to the information that comes with a certain prescription drug, when taking this drug, there is a 22% chance of experiencing nausea (N) and a 48% chance of experiencing decreased sexual drive (D). The information also...
Question 1. A vaccine has a 13% probability of failing to prevent a certain disease. The...
Question 1. A vaccine has a 13% probability of failing to prevent a certain disease. The probability of getting the disease if a person is not vaccinated is 30%. In a certain geographic region, 25% of the people get vaccinated. (4-2 187-31 6ed) a. Draw a tree diagram that represents the experiment above and show the probability in each of the branches and the probability of the final outcomes. b. If a person is selected at random in this region,...
in a classroom theres 15 boys and 25 girls. what is probability 3 students get chosen...
in a classroom theres 15 boys and 25 girls. what is probability 3 students get chosen and are girls?
A class has five students. What is the probability that exactly two of the students were...
A class has five students. What is the probability that exactly two of the students were born on a weekend? What is the number of trials, n, and the constant trial probability, p, for this example? What is the answer to the question given? What are the mean and standard deviation for this situation?
Twenty students are enrolled in a class. What is the probability that at least two students...
Twenty students are enrolled in a class. What is the probability that at least two students have the same birthday? Repeat the problem for a class size of seventy. Ignore leap years.
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