If A and B are any two events with P(A) = .3 and P(BIA) = .5, then the joint probability of A and B is: O 0.15 O 1.5 O 0.8 O 0.6

Q: 1) Three missiles are fired at a target. If the probabilities of hitting the target are 0.4, 0.5 and…

A: Solution

Q: 5. M = 3, O² = 9₁ P(- 6 1. - 1 1/2 ² 2

A: Given mean and variance, we have to determine the indicated probability using the given formula.

Q: 7. (单选题 3.0分) How many permutations of 3 different digits are, chosen from the ten digits 0 to 9…

A: The permutation and combination are a counting principle method utilized in a range of settings.…

Q: How many arrangements are there of three the letters in the word APRIL ? a) 15 acer b) 125 c) 27 d)…

A: To find: How many arrangements are there of three the letters in the word " APRIL".

Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

A:

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A:

Q: If 'X' is a continuous random variable, then the expected value is given by

A: here use property of Continuous Random variable

Q: Given the following: Number of births between 30 June 2009 and 30 June 2010 in Australia was…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 3: 7.141 O a. b. 3; 2.414…

A: From the provided information, Number of observations (n) = 7

Q: 1. A manufacturing plant consists of four machines, independently operating, to produce a certain…

A: The reliability or the probability of working of the four machines is as follows: Machine…

Q: The probability that data are entered incorrectly into a field in a database is 0.008. A data entry…

A:

Q: (1) Find the two-step transition matrix

A: here given Markov chain has the transition matrix  0.40.10.50.30.70100

Q: Q5//Four technicians regularly make repairs when breakdowns occur on an automated production line.…

A:

Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

A: Let A= Give the answer B= knew the answer

Q: Assume that the random variable X is normally distributed, with mean μ = 60 and standard deviation…

A:

Q: Vehicles pass through a junction on a busy road at an average rate of 60 per hour.  a) Find the…

A: Solution-: Given: Average =λ=60 per hour We want to find, (a) P(none passes in a given 30-minute…

Q: Given the following data set, let x be the explanatory variable and y be the response variable.…

A: Given data : sr.no X Y 1 6 4 2 1 9 3 3 8 4 7 3 5 5 5 6 2 8 7 3 7

Q: picked at random. Calculate the probability that it is reliable.

A: HERE FROM GIVEN INFORMATION  p(A) = probability that component manufacture by A = 0.50  p(B) =…

Q: a. Determine the expected value of X. b. Determine the expected value of Y. c. Determine the…

A: As per bartlby guidelines we can answer only first three subpart and rest can be reposted

Q: Let X be a random variable corresponding to the number of shoppers that enter a mall at a given time…

A: Givenan average 10 shoppers enters mall per minutefor 1 second,=1060=16 shoppers per secondfor 90…

Q: The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

A: GivenAn average 52 kg of bananas per day λ=52

Q: Determine whether the distribution represents a probability distribution. X 3 7 10 13 P(X) 0.1 0.3…

A: The provided information is  X 3 7 10 13 P(X) 0.1 0.3 -0.7 0.8   Then,…

Q: ) Compute the upper and lower control limits if samples of size 6 are to be used. (R UCL = 134.85 x…

A: It is given that Mean = 127.5 SD = 0.4 And sample size n = 6

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given : Margin of error: ME = 0.02

Q: 6 cards are drawn at random from a standard deck. Find the probability that all the cards are…

A: Given data: Total card in standard deck of card = 52

Q: An instructor wishes to determine which of two methods of teaching ---A or ---B is more effective in…

A: The z test is the type of parametric test. It used when the sample size is large and it also used…

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k,2k*k,…

A: Given Information: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k2 2k2 7k(k+1) Required: To find the…

Q: The random variables A and B have variances 0.2 and 0.5 respectively. Let T= 5A+2B. The variance of…

A: Here given  Var(A) = 0.2 Var(B) = 0.5 T = 5 A + 2B

Q: Primary and secondary routes connecting two computers need to be chosen. Two primary routes are…

A: The routes are primary and secondary.

Q: Which is the expectation for a binomial distribution? O a) 3/ о b) np

A: Given problem is :

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

A:

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A:

Q: A random variable, z, has p.d.f. f (z) = e¯², 0 =< Z < 1. Calculate the expected value of z. a. 1 b.…

A: A random variable, z, has p.d.f. f (z) = e², 0 &lt; Z &lt; 1.

Q: probability that the number on the ticket is divisible by 2 or 3 is

A: here given ,  A bag contains 100 tickets Numbered 1,2,3,....100  there are total 100/2 =  50 Numbers…

Q: 1 Y 9 0.25 0.09 0.02 ។ O P (9) 0.64 if y van don Variable has a mass Function the probability of…

A: Farmula used  E(y)=∑yP(Y=y)

Q: The probability that none of the three bulbs in a set of traffic lights will have to be replaced…

A:

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: From the provided information, Sample size (n) = 10 The probability that a machine has a lifespan of…

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k, 2k*k,…

A: Solution-: We have given following table: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k2 2k2 7k(k+1)…

Q: Car manufacturers produced a variety of classic cars that continue to increase in value. Suppose the…

A: Given Information: Consider the given dataset: Model Rating (x) Price (y) A 18 1600 B 17 450…

Q: 4. In one of the biggest schools in Metro Manila, 80% of their high school students are known to…

A: Given Information: 80% of the high school students are known to have come from their elementary…

Q: 20. Which of the following is a counterexample for the conditional statement "All prime numbers are…

A: Prime number are 2,3,5,7,11,13,17,23,.. We will tell you which one is the correct choice.

Q: A and B are two events such that P(A) = = 0.4 and P(AB) = 0.2 Then P(An B) is equal to a. 0.4 b. 0.6…

A: Given : P(A) = 0.4 and P(A n B) = 0.2

Q: A continous random variable x has p.d.f.,then a. f(x) >=1 b. f(x) >==0 O C. 0=;0

A: In above question we will talk about it is true or not for probability density function(pdf)

Q: he lifespan (L) of each of 2000 valves is measured and given Calculate the probability that the…

A: Given Information: Lifespan (hours) Number L &lt; 400 200 400≤L&lt;600 230 600≤L&lt;800 931…

Q: What would be the probability of an event 'G' if H denotes its complement, according to the axioms…

A: We have to choose the probability of an event G if H denotes it's complement, according to the…

Q: b) If we have the following mass function: f(x) = x/6, x = 1, 2, 3: In Find 1. V(x) 2. V(4x) 3.…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Banach space and T E B(X) an operator with 1+ ||T||

A: To prove, id+T=1+T

Q: Q2: A- Find the probability distribution of the random variable y, which represents the number of…

A: Tossing a balanced coin Getting a Head 0.5 Getting a Tail 0.5   E(x) = ∑xp(x)Var(x) =…

Q: 5. Write an explicit formula for the sequence 2, 3, 6, 11, 18,... O an = n² + n O an an = n² + 3 O…

A: Given problem Given that   5) Write an explicit formula for the sequence 2, 3, 6, 11, 18, ... Ans)…

Q: find the probability that more than three calls are initiated in any 9 sec period.

A: here given , telephone calls are initiated through an exchange at the average rate 30 per minute and…