The probability distribution of x, the number of defective tires on a randomly selected automobile checked at a certain inspection station, is given in the following table. 0 2 p(x) (a) Calculate the mean value of x. tires per car 3 0.56 0.16 0.07 0.04 0.17 (b) Interpret the mean value of x in the context of a long sequence observations of number of defective tires. In repeated inspections of cars at this station, the mean number of defective tires is tires per car. (c) What is the probability that x exceeds its mean value? P(x > H₂) = (d) Calculate the standard deviation of x. (Round your answer to four decimal places.)

Q: A study has shown that the probability distribution of X, the number of customers in line (including…

A: The formula of Standard deviation is,

Q: Calculate the standard deviation for the following probability distribution: X 1 2 3 4 P(x) 0.15…

A: The probability distribution of random variable x is given.

Q: The following table lists the probability distribution of car sales per day in a used car dealer…

A:

Q: he expected value/mean, the variance, and the standard deviation of the following ete) probability…

A: Let X be the random variable having probability distribution is, X -1 0 2 P(X=x)  0.2 0.2 0.6…

Q: A survey asked 863 people how many times per week they dine out at a restaurant, A probability…

A:

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: The following table shows the distribution of murders by type of weapon for murder cases in a…

A: Unusual event:   An event is determined as unusual if the obtained probability value is less than…

Q: Determine the mean, variance and standard deviation of the probability distribution following Number…

A:

Q: If X be a normally distributed random variable with variance of 121 such that P(X > 35) = 0.0212,…

A:

Q: b. Compute the standard deviation. (Type an integer or decimal rounded to three decimal places as…

A:

Q: roduct filling weights are normally distributed with a mean of  330 grams and a standard deviation…

A: Given Information: Product filling weights are normally distributed with a mean of  330 grams and a…

Q: An elevator has a placard stating that the maximum capacity is 1550 lb-10 passengers. So, 10 adult…

A: maximum capacity of elevator  = 1550 lb - 10 passangermen : normal distributionμ = 163 lbσ = 33…

Q: The following table contains the probability distribution for the number of traffic accidents daily…

A: mean(μ)=∑x.P(X)

Q: Find the standard deviation. Houses Sold (x) Probability P(x)

A:

Q: 7% of US adults have blood type O-negative. Suppose we take a random sample of 50 US a X represent…

A: Note: Please repost 2nd question as i can author only 1 question as per my policy. Given…

Q: Below is the relative-frequency table of the probability distribution for the discrete random…

A: Solution: Let X be the number of cars owned by families in New York. From the given information, the…

Q: The following table represents the probability of the number of cars owned by a college student.…

A: xp(x)x.p(x)x2.p(x)00.470010.330.330.3320.120.240.4830.080.240.7210.811.53

Q: Select the most appropriate graph. If X is a normal random variable with a mean of 20 and standard…

A: Mean=20 Standard deviation=2

Q: Find Me A. Use the Table of Standard Normal distribution to determine corresponding probabilities of…

A: Find  P(Z<-1.45)=? P(0.5< z<2.33)=? P(Z>1.78)=? Note: This probability value calculated…

Q: Choose the correct histogram below. OA. P(x) 0.5 0.4- 0.3 0.24 0.1- 0- C. P(x) 0.5- 0.4- 0.3- 0.24…

A: It is given that the Binomial distribution is P(X) = 6Cx*(0.2)x(0.8)6-x

Q: Let X be a random variable with a mean of 50 and a variance of 64. Find: i. P(x< 52) ii. P(35 < X <…

A:

Q: 4. Jane decided to sell her house. A random variable X models the number of passengers in cars…

A: It is given that the probability for the values 1, 2, 3, are 0.3, 0.2 and 0.1 respectively.

Q: Suppose that ?x represents the number of cars sold at a dealership in a randomly selected single…

A: The probability distribution of X is x p(x)  4 0.02 5 0.10 6 0.18 7 0.28 8 0.31 9…

Q: A Poisson distribution with A = 5.2 and 3 < x < 6. Use the probability distribution identified above…

A:

Q: Find E(X), Var(X), and the standard deviation of X, where X is the random variable whose probability…

A: According to given data: The value of E(X): EX=149+249+319EX=49+89+39EX=159EX=1.66

Q: The random variable X, representing the number of errors per 100 lines of software code, has the…

A: Given:  X 2 3 4 5 6 FX 0.01 0.25 0.4 0.3 0.04   Formula: Meanμ =∑X PX Variancex=∑i=1nX-μ2…

Q: What type of distribution does X follow? A. Uniform B. Bernoulli C. Exponential D. Geometric E.…

A: Probability of computer user clicks on the online ad of company ( p ) = 0.22 X : No. of independent…

Q: Do you carpool? Let  X  represent the number of occupants in a randomly chosen car on a certain…

A: We let X be the number of occupants in a randomly chosen car on a certain stretch of highway during…

Q: Find the mean of the following probability distribution? z P(z) 0 0.1224 10.1978 2 0.2515 3 0.2902 4…

A: xp(x)…

Q: The discrete random variable X has the following probability distribution: -10 0 10 p(x) 0.20 0.40…

A:

Q: A survey of colleges in the San Diego area yielded the following where x represents the number of…

A:

Q: A normal distribution has a mean of u = 100 with a = 20. If one score is randomly selected from this…

A:

Q: enote the number of broken eggs in a randomly selected carton of one dozen e y | 1 2 3 4 P(y) 0.60…

A: Given that  y= Number of broken eggs in a randomly selected carton of one dozen eggs. z= The number…

Q: The average THC content of marijuana sold on the street is 10%. Suppose the THC content is normally…

A: (a)   Determine the distribution of X.   The distribution of X is determined below as follows:

Q: c)      Determine the standard deviation σ of x

A: x p(X) xp(x) (x-xbar)^2 p(x)*(x-xbar)^2 0 0.8 0 0.0625 0.05 1 0.15 0.15 0.5625 0.084375 2 0.05…

Q: Suppose that for a given computer salesperson, the probability distribution of x= the number of…

A:

Q: 2. The ages (to the nearest year) of students enrolled in a specific data analysis class have a…

A: Answer: - Given, Cumulative probability distribution function x 17 18 19 20 21 22 23 F(x) 0…

Q: Consider the probability distribution for number of children in local families. x P(x) 0 0.03 1…

A: The table shows the probability distribution for number of children in local families.