The profits of a mobile company are normally distributed with Mean of R.O (190) and standard deviation of R.O (19). a. Find the probability that a randomly selected mobile has a profit greater than R.O (200). b. Any mobile phone which profit is greater than R.O ((200) is defined as expensive. Find the probability that a randomly selected mobile has a profit greater than R.O (210) given that it is expensive.  c. Half of expensive mobile phones have a profit greater than R.O ℎ. Find the value of ℎ

Q: 4) The following table shows the number years as a professional for each football player, x, and the…

A: x01234567p(x)0.160.070.230.080.310.1900.03

Q: A contractor is required by a county planning department to submit one, two, three, four, five, six,…

A:

Q: Let X and Y be independent random variables with means ux, μy and variances o, oy. Find an…

A: Given:  Random variable x and y are independent with means ux, uy  , varience σ2(x) and σ2(y)  E(x)=…

Q: Assume that X and Y are two random variables. Suppose Y is exponential with mean 798. Suppose that,…

A: Given that Y follows Exponential with mean 798 And X | Y = y follows Exponential with mean y We have…

Q: A contractor is required by a county planning department to submit one, two, three, four, five, six,…

A:

Q: a. Calculate the probability that X1 is less than 0.5 and that X2 is between 0.4 and 0.7. b. Show…

A: f(x1,x2)=2(1-x1)   0≤x1,x2≤1   P(0<x1<0.5,0.4<x2<0.7) =∫x1=00.5∫x2=0.40.72(1-x1) dx1…

Q: Assume that Xi ’s are independent of each other and independent of N. Further assume that they have…

A:

Q: X 1 2 Y O 0.70 0.00 1 0.00 0.30 a) Compute and interpret the covariance and correlation between the…

A:

Q: Which statement is incorrect for statistical dependence between X and Y?

A: Here Given, X and Y are dependent.

Q: at the concert will go to UCI (probability of 0.005). You speak to around 50 different people (other…

A:

Q: x = 1,2,3,4 f(x) = < c 0. otherwise So that the variable x represents the quantity produced of dates…

A: Given fx=2cx             x=1, 2, 3, 40                 otherwise Where x is the random variable…

Q: 3. Let X denote the number of times a machine will malfunction, 1,2 or 3 times on any given day. Let…

A: The marginal distribution of X: X 1 2 3 PX=xi 0.05+0.05+0.1=0.2 0.05+0.1+0.35=0.5 0+0.2+0.1=0.3…

Q: A contractor is required by a county planning department to submit one, two, three, four, five, six,…

A:

Q: Suppose that the probability that a patient admitted in a hospital is diagnosed with a certain type…

A:

Q: {10.2}   Suppose that events E and F are​ independent, ​P(E)=0.7​, and ​P(F)=0.6. What is the P(E…

A: Given that  ​P(E)=0.7​, and ​P(F)=0.6 P(E and F)=P(E∩F) If E and F are independent.  P(E∩F)=…

Q: 3.5 Determine the value c so that each of the follow- ing functions can serve as a probability…

A: We have given that the probability distribution of discrete random variable X. In discrete…

Q: Suppose that the weight of an newborn fawn is Uniformly distributed between 2.2 and 3 kg. Suppose…

A: Let x be the weight of the new born fawn. It is given that x follows uniform distribution,…

Q: Let X have a mean of 132 and a variance of 32. Define Y=X² + 2X+1. Compute the (a) mean and (b)…

A:

Q: b. Find E[X(X – 1)] for Poisson random variable. Use the result to find the variance of X.

A:

Q: When mean number μ of Atlantic hurricanes per year is given: μ=7.2 Find the probability that in a…

A: Give, X= number of Atlantic hurricanes X follows a Poisson distribution with μ=7.2

Q: Let X and Y be independent random variables with means x,y and variances o, oy. Find an expression…

A:

Q: a. s1/s2. b. (n-1)s1/s2. c. (n-1)s/a. Od.st/s. Wing has an F distribution?

A: We have to determine which statement is true for given situation.

Q: Let X be the number of packages being mailed by a randomly selected customer at a certain shipping…

A: As per the Bartleby guildlines we have to solve first question and rest can be reposted.... Given…

Q: 3. The time between arrivals of buses at a particular bus stop in a suburban area is exponentially…

A: Given that, the time betwee  arrivals of buses at a particular bus stop in a suburban area is…

Q: Find the MGF of the binomial distribution ()ra- Use it to show that the mean is p and the variance…

A: Given that the pmf of the binomial distribution is P(X=x)=nxpx1-pn-x, x=0, 1, 2,..., n. We have to…

Q: Which assumption do you need for the central limit theorem? Select one: a. The sequence X1, X2,……

A:

Q: The time, X, to infection for Eagle Flu in minutes, after coming into contact with the virus has…

A:

Q: For Question 2 Let A and B are two independent events such that P(A)=0.3 and P(B) = 0.15. Calculate…

A: P(A)=0.3 and P(B)=0.15A and B are independent.

Q: Let D denote the event that a subject has a certain disease. Let S denote the event that a subject…

A: Given: P(D|x) = exp(α+Xβ) / (1+exp(α+Xβ)).

Q: The profits of a mobile company are normally distributed with Mean of R.O (19x 10) and standard…

A:

Q: Q1. For the following probability mass function, compute the Table 1: Probability mass function 150…

A: The provided information is as follows:The probability mass function is given as…

Q: A nature reserve has one bird of an uncommon species which frequents the large expanse of reed beds…

A:

Q: Let x = (X1, X .. Xy, ....., xm) be a data set with a sample mean Show that E-(x; – x) = 0.

A: Given : Let x = (x1 , x2 , -------, xi,-----,xn) be a data set with a sample mean x¯

Q: When v, = 2, show that the significance level of F corresponding to a significant V2 probability p…

A:

Q: Which of the following is the proper formula of the variance of variable y shown as 5 (0)²? OA (or)…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: The relatively efficient estimator has the variance. O a. maximum O b. least O c highest O d. atmost…

A: Solution: Here, it is needed to explain about the efficient estimator.

Q: Consider the following PMF function: P(X=x)=x/15 for x=1,2,3,4,5 What is the probability that X is…

A:

Q: 10 S2. Assume that £₁,...,£10 € R satisfy Σ²º₁ ï¿ standard deviation of £₁,...,x10? = 3 and Σ²₁ x² =…

A:

Q: a. Given  x  P(x) 1 3 4 5 0.15 0.24 0.3 0.31 Find     (i)   Mean              (ii)…

A: a. Given: X 1 3 4 5 P(X) 0.15 0.24 0.3 0.31 i) We need to find the mean  Formula for mean is…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.