Question
or safety reasons, 5 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank. Each of the
or safety reasons, 5 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank. Each of the 5 systems detects theft with a probability of 0.87 independently of the others.
The bank, obviously, is interested in the probability that when a theft occurs,at least one of the 5 systems will detect it. What is the probability that when a theft occurs, at least oneof the 5 systems will detect it?
Your answer should be rounded to 5 decimal places.
Question 2Type numbers in the boxes.10 points
In a certain liberal arts college with about 10,000 students, 45% 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.
Question 3Type numbers in the boxes.10 points
According to the information that comes with a certain prescription drug, when taking this drug, there is a 20% chance of experiencing nausea (N) and a 47% chance of experiencing decreased sexual drive (D). The information also states that there is a 12% chance of experiencing both side effects.
What is the probability of experiencing only nausea?
Your answer should be rounded to two decimal places. If you have trouble doing this problem, watch the video below: https://youtu.be/aN0eulm19MM
Question 4Type numbers in the boxes.10 points
According to the information that comes with a certain prescription drug, when taking this drug, there is a 15% chance of experiencing nausea (N) and a 45% chance of experiencing decreased sexual drive (D). The information also states that there is a 10% chance of experiencing both side effects.
What is the probability of experiencing neither of the side effects?
Your answer should be to two decimal places.
Question 5Type numbers in the boxes.10 points
According to the information that comes with a certain prescription drug, when taking this drug, there is a 16% chance of experiencing nausea (N) and a 49% chance of experiencing decreased sexual drive (D). The information also states that there is a 10% chance of experiencing both side effects.
What is the probability of experiencing nausea or a decrease in sexual drive?
Your answer should be rounded to 2 decimal places.
Question 6Type numbers in the boxes.10 points
An engineering school reports that 54% of its students are male (M), 35% of its students are between the ages of 18 and 20 (A), and that 29% are both male and between the ages of 18 and 20.
What is the probability of a random student being chosen who is a female and is not between the ages of 18 and 20?
Your answer should be to two decimal places.
Question 7Type numbers in the boxes.10 points
An engineering school reports that 50% of its students were male (M), 39% of its students were between the ages of 18 and 20 (A), and that 24% were both male and between the ages of 18 and 20.
What is the probability of choosing a random student who is a female or between the ages of 18 and 20? Assume P(F) = P(not M).
Your answer should be given to two decimal places.
Question 8Type numbers in the boxes.10 points
An engineering school reports that 58% of its students were male (M), 34% of its students were between the ages of 18 and 20 (A), and that 27% were both male and between the ages of 18 and 20.
What is the probability of a random student being male or between the ages of 18 and 20
or safety reasons, 5 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank. Each of the 5 systems detects theft with a probability of 0.87 independently of the others.
The bank, obviously, is interested in the probability that when a theft occurs,at least one of the 5 systems will detect it. What is the probability that when a theft occurs, at least oneof the 5 systems will detect it?
Your answer should be rounded to 5 decimal places.
Question 2Type numbers in the boxes.10 points
In a certain liberal arts college with about 10,000 students, 45% 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.
Question 3Type numbers in the boxes.10 points
According to the information that comes with a certain prescription drug, when taking this drug, there is a 20% chance of experiencing nausea (N) and a 47% chance of experiencing decreased sexual drive (D). The information also states that there is a 12% chance of experiencing both side effects.
What is the probability of experiencing only nausea?
Your answer should be rounded to two decimal places. If you have trouble doing this problem, watch the video below: https://youtu.be/aN0eulm19MM
Question 4Type numbers in the boxes.10 points
According to the information that comes with a certain prescription drug, when taking this drug, there is a 15% chance of experiencing nausea (N) and a 45% chance of experiencing decreased sexual drive (D). The information also states that there is a 10% chance of experiencing both side effects.
What is the probability of experiencing neither of the side effects?
Your answer should be to two decimal places.
Question 5Type numbers in the boxes.10 points
According to the information that comes with a certain prescription drug, when taking this drug, there is a 16% chance of experiencing nausea (N) and a 49% chance of experiencing decreased sexual drive (D). The information also states that there is a 10% chance of experiencing both side effects.
What is the probability of experiencing nausea or a decrease in sexual drive?
Your answer should be rounded to 2 decimal places.
Question 6Type numbers in the boxes.10 points
An engineering school reports that 54% of its students are male (M), 35% of its students are between the ages of 18 and 20 (A), and that 29% are both male and between the ages of 18 and 20.
What is the probability of a random student being chosen who is a female and is not between the ages of 18 and 20?
Your answer should be to two decimal places.
Question 7Type numbers in the boxes.10 points
An engineering school reports that 50% of its students were male (M), 39% of its students were between the ages of 18 and 20 (A), and that 24% were both male and between the ages of 18 and 20.
What is the probability of choosing a random student who is a female or between the ages of 18 and 20? Assume P(F) = P(not M).
Your answer should be given to two decimal places.
Question 8Type numbers in the boxes.10 points
An engineering school reports that 58% of its students were male (M), 34% of its students were between the ages of 18 and 20 (A), and that 27% were both male and between the ages of 18 and 20.
What is the probability of a random student being male or between the ages of 18 and 20
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