Question

The probability of a person being Starbucks fan is 0.6. Given that a person is a...

The probability of a person being Starbucks fan is 0.6. Given that a person is a Starbucks fan, the probability of him/her being a Star Wars fan is 0.7. Also given that someone is not a Starbucks fan, probability of him/her being Star Wars fan is 0.75.

a) Find the probability of a person being a Star Wars fan.

b) FInd the probability of a person being a starbcks fan given he/she is a star wars fan.

Homework Answers

Answer #1

Let us denote the events :

A : a randomly selected person is Starbucks fan

B : a randomly selected person is Star Wars fan

Given

Now

a) The probability of a person being a Star Wars fan

b) The probability of a person being a Starbucks fan given he/she is a star wars fan

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
how would you do this, could someone explain with steps please For a random person looking...
how would you do this, could someone explain with steps please For a random person looking for a jolt of caffeine, the probability that they would go to Tim Horton’s over Starbucks is 65%. Those who go to Starbucks will get coffee 80% the time and a specialty drink 20% of the time. Those who go to Tim Horton’s will get the coffee 90% of the time and a specialty drink 10% of the time. What is the probability that...
It is known that the start-up time of the fan after a person starts using his...
It is known that the start-up time of the fan after a person starts using his laptop has a normal distribution with an average of 5 minutes and 4 variances. Accordingly, after this person started using his computer, a) Find the possibility that the fan does not start for the first 4 minutes. b) With a 5% probability, the fan will be activated after the minute.
b) The probability that a manager reads the Daily Telegraph is 0.7. The probability that she...
b) The probability that a manager reads the Daily Telegraph is 0.7. The probability that she reads the Daily Telegraph but not the Financial Times is 0.6. The probability that she reads neither is 0.2. Find the probability that she reads the Financial Times only.
3. A diagnostic test has 95% sensitivity (the probability a person with the condition tests positive...
3. A diagnostic test has 95% sensitivity (the probability a person with the condition tests positive = 0.95) and 95% specificity (the probability a person without the condition tests negative = 0.95). In a population of people given the test, 1% of the people have the condition (probability a person has the condition = 0.01). (a) What proportion of the people will test positive? (b) Given a person has tested positive, what is the probability he/she has the condition?
1. The probability that a person has an Internet connection at home is 34%. The probability...
1. The probability that a person has an Internet connection at home is 34%. The probability that he has access to the Internet at work is 40%. The probability that a person who has access to the Internet at work also has access at home is 55% . a. What is the probability that a person has an Internet connection at home and at work? b. What is the probability that a person has an Internet connection at home or...
Suppose there is a 18.3 % probability that a randomly selected person aged 20 years or...
Suppose there is a 18.3 % probability that a randomly selected person aged 20 years or older is a jogger. In​ addition, there is a 22.3% probability that a randomly selected person aged 20 years or older is male, given that he or she jogs. What is the probability that a randomly selected person aged 20 years or older is male and jogs? Would it be unusual to randomly select a person aged 20 years or older who is male?
Assume that 500 invitations have been sent out for a given event. Assume that each person...
Assume that 500 invitations have been sent out for a given event. Assume that each person shows up independently of the others with probability 0.6. (a) What is the probability that 250 or less people show up? (b) Find b so that the number of people that show up is b or larger with probability 0.9.
Cattell and and his theory on traits seem to be very popular. A person may be...
Cattell and and his theory on traits seem to be very popular. A person may be viewed in his or her personality as being polite or rude, excited or bored, self-assured or insecure. We also tend to be somewhat rigid in viewing a person as having either the good or positive side of these traits or more towards what we believe is the poor or negative side of these traits. You are to give a real-life example, using at least...
If the probability is 0.75 that a person will believe a rumor about the crimes of...
If the probability is 0.75 that a person will believe a rumor about the crimes of a certain politician, find the probabilities that a) Out of a set of 100 people, 60 will believe it b) Out of a set of 100 people, 75 will believe it
Suppose there is a 26.5% probability that a randomly selected person aged 35 years or older...
Suppose there is a 26.5% probability that a randomly selected person aged 35 years or older is a smoker. In addition, there is a 21.2% probability that a randomly selected person aged 35 years or older is female, given that he or she smokes. What is the probability that a randomly selected person aged 35 years or older is female and smokes? (Round to three decimal places as needed.).