Find the probability of the indicated event if P(E)=0.40 and P(F)=0.55. Find​ P(E or​ F) if​ P(E and ​F)=0.20. ​P(E or F)= _____

Q: . What is the probability that Y<1.5 given X=0?

A:

Q: Assume that A, B and C are three independent events such that P (A) = 0.2, P (B) = 0.5 and P (C) =…

A: Given: PA=0.2PB=0.5PC=0.1 A, B and C are independent events.  Since they are independent events,…

Q: Q. 2 The probability that a smoker who consumes over 20 cigarettes 4 The 10 5 The 10 a day will…

A: Note: " Since you have asked multiple sub-parts, we will solve the first three sub-parts for you. If…

Q: Two engines (one old and one new) fail independently of one another. The probability that both…

A: Independent events: Those two or more events are considered independent events if the appearance of…

Q: Find the probability ​P(Ec​) if ​P(E)=0.25.

A: We want to find vlaur of people(Ec)

Q: The market research team of a company requires some household data from four different cities. The…

A: The market research team of a company requires some household data from 4 different cities. The tea…

Q: Find the probability of the indicated event if P(E)= 0.30 and P(F) = 0.55. Find P(E or F) if P(E and…

A: The provided information are: P(E)=0.30 P(F)=0.55 P(E and F)=0.15 To calculate the P(E or F) use the…

Q: C. The probability that the the child will be older than 5 years old? | 0.8681 d. The probability…

A: Consider that the answer of the given part a, b, and c are the correct answer. And distribution is…

Q: Suppose that the average GPA of all students in a large university is 2.8 and the s. d. is  0.65. 49…

A: From the provided information, Mean (µ) = 2.8 Standard deviation (σ) = 0.65 Sample size (n) = 49

Q: Q.2 the probability that a missile hit the target is 0.90. If three missile of this type has been…

A: let X be the hit the target n=3, p=0.90 X~B(3,0.90) (1) P(X&gt;=2)= ?  (2) P(X=2)= ?

Q: Suppose that the probability of getting a job for a person is ( x / 3 ) . If the probability of not…

A: Given, The probability of getting the job is =x/3 The probability of not getting the job is = 2/3

Q: The probability of event A to happen is 3/4, and the probability of event B to happen is 3/5. If the…

A: Given : p ( A ) = 3/4 p ( B ) = 3/5 p ( A n B ) = 1/4

Q: Find the probability P(Ec​) if ​P(E)=0.42.

A:

Q: Answers must be in 4 decimals The probability that a patient visiting his dentist will have an x-ray…

A:

Q: Let X denote the number of colleges where you will apply after your results and P(X = x) denotes…

A: Given: PX=x=kx               x=0,12kx             x=2k×5-x    x=3,40                otherwise

Q: Probability that Joe eats an apple on Tuesday is 0.4. The probability that Mark eats and apple on…

A:

Q: 3. The probability that a new bon baby survives for "x" years is written as

A: Probability ( that new born survive for x years) is given below

Q: Find the probability a randomly selected z-score is between -1 and 1.2.

A: Probability that the randomly selected Z-score is between -1 and 1.2 P(-1&lt;z&lt;1.2)   We know…

Q: An individual can be either susceptible or infected, the probability of infection for a susceptible…

A:

Q: A negative z-value implies a negative probability

A: Z~N(μ=0, σ2=1)

Q: You have relatives coming for dinner this weekend.  The probability that your uncle Josiah will show…

A: given data  P(uncle josiah  show up)  = 0.38 P(aunt Beatrice show up) = 0.27 P(both show up) = 0.1…

Q: Suppose 90% of kids who visit a doctor have a fever, and 35% kids with a fever have sore throats.…

A: Independent Events:   Any two events A and B are said to independent if the occurrence of the event…

Q: In the next year what is the probability that of the first 50 babies born, 40% to 60% will be boys?

A: As per given by the question, what is the probability that of the first 50 babies born, 40% to 60%…

Q: Each day in Iceland, it rains with a probability p=0.8. Denote X the number of days I stay until…

A: Given that the probability of raining = 0.8 So the probability of sunny is= 1 - 0.8 =0.2   If I get…

Q: A student goes to the library. Let events B = the student checks out a book and D = the student…

A:

Q: ne reports that it has been experiencing a 15% rate of no-shows on advanced tions. Among 150…

A: Answer The sample size [n] = 150P= 15% = 15/100 = 0.15

Q: Which of the following CANNOT be a probability value?     a. 0.26 b. -0.97 c. 0.03 d. 1.0

A: for discrete probability distribution : thevalue of probabilities are between 0 and 1 inclusive and…

Q: Suppose that two persons are working on a project together. The probability that person A works for…

A: Given

Q: suppose that X is a random variable with probability distribution.P(X=k)= 0.02k,where k takes the…

A: Given: P(X=k) = 0.02k k = 8,12,10,20 Here takes the value 8,12,10,20

Q: A. Determine each of the following areas and show these graphically. Use probability notation in…

A: 1) Above z=1.46

Q: Which of the following values could be the probability that a given event occurs? O a. -0.0128 O b.…

A: We have given that different values of probability. Here, need to find the correct of probability…

Q: A family has three children. Assuming that boys and girls are equally likely, determine the…

A:

Q: Find the probability of an event E if the odds for E is equal to the odds against

A: Odds of an event:The odds an event is given by the ratio of the probability of the event to its…

Q: What is the probability that a student received grade F, i.e., P(F) is

A: It is given that there are total of 16 student grades.

Q: Assume that n = 10, and p = 6/8. Find the probability of at least 1 success and at least 3…

A: binomial distribution formula: P(X=x)=nCxpxqn-x where P(X=x) = probability of x success n=total…

Q: the probability of passing the course without studying is 0.2 if we assume that the given…

A: