The histogram shows the distribution of hurricanes that have hit a country from 1851 through 2015, where 1 is the weakest level and 5 is the strongest level. (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results.

Q: Given the probability distribution, find the mean, variance, and standard deviation: -2 -1 1 f(x)…

A:

Q: Waleed decided to construct a probability distribution of tossing five coins. He considers his…

A: The mean and variance are computed as follows:

Q: The information in Table below is the number of daily emergency service calls made by the volunteer…

A: Note: As per Bartleby’s guideline for more than three sub part only first three are to be answered…

Q: Find the variance and standard deviation of the probability distribution of random variable X if :…

A: Variance=EX2-E2(X)=12110+22110+32110+42110+52110+62110+72110+82110+92110+102110-1110+2110+3110+4110+…

Q: Use the probability distribution to find a) standard deviation b) expected value of the probability…

A: a) The table shows the probability distribution.

Q: FIND THE VARIANCE The number of items sold per day at a retail store, with its corresponding…

A:

Q: the variance of the probability distribution

A: It is given that k=1/6.

Q: The standard deviation of a binomial distribution is 4, then the variance of the distribution is а.…

A: We know that, Variance=(standard deviation)2 Here standard deviations =4

Q: Use the Normal Probability Distribution table or the built-in functions of your calculator to find:…

A: Given Information:

Q: Jacob helped his younger sister create a gameboard spinner. The spinner has a 53% chance of landing…

A:

Q: construct a probability distribution and draw a graph for a family of 3 children.  Let X represent…

A: According to the given question, construct a probability distribution and draw a graph for a family…

Q: Find the variance of the probability distribution for the histogram shown.

A: From the given histogram we can create the probability distribution table. Xi probability, p(x)…

Q: 4. Using below scores in a probability exam, calculate the Range, Standa Variance. Scores No. of…

A:

Q: Find the variance of the binomial distribution for which n= 900 and p 0.89. I

A: Given that the parameters of binomial distribution are n = 900, p = 0.89

Q: The table below shows the probability distribution for X, where X represents the number of…

A:

Q: The probability that a printer produces 0, 1, 2, 3, and 4 misprints are 15%, 22%, 10%, 38% and 15%,…

A: The probability that a printer produces 0, 1, 2, 3, and 4 misprints are 15%, 22%, 10%, 38% and 15%,…

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n…

Q: À Grade 11 class has 45 students. The following shows the typical number of students who were absent…

A: The table shows the number of student absent on different days is, Days Number of students absent…

Q: construct a probability distribution for the sum shown on the faces when two dice, each with 8…

A: When two dice, with 8 faces are rolled, the sample space is given as follows: S= {(1,1), (1,2),…

Q: Find the mean, variance and standard deviation for the probability distribution given below:

A: Mean is the average value of the given observation. It is based on the all observation Standard…

Q: When tossing two dice and finding the mean, X we find that has a mean or expected value, and a…

A: Here, it is known that the mean is 3.5 and a population standard deviation of 1.7078. The sample…

Q: When marketing a new product, a company conducts a taste survey. A recent survey of 244 respondents…

A: Let X be the random variable from binomial distribution with probability (p)= 72.66% = 0.7266 and…

Q: The normal probability distribution is applied to?

A: Normal Distribution The normal distribution is continuous probability distribution. A random…

Q: 4. Using below scores in a probability exam, calculate the Range, Standard Deviation and Variance.

A:

Q: How much (or more) do the top 5% of customers spend? What is the probability that a customer will…

A: Given: Calculate the z score as follows: The probability that a customer will spend at least $19…

Q: Construct a probability distribution for the sum shown on the faces when two dice, each with  10…

A: From the given information there will be 102 number of elementary cases that is 100. The required…

Q: We have provided a normal probability plot of data from a sample of a population. In each case,…

A:

Q: Create the probability distribution for the random variable G that refers to the number of gadgets…

A: The number of values corresponding to a class or observation is defined as the frequency of that…

Q: The number of items sold per day at a retail store, with its corresponding probabilities, is shown…

A: Mean(μ)=∑X.P(X)

Q: (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret…

A: Our aim is to find the mean , variance , standard deviation and interpret the result.

Q: The tread life of tires mounted on light-duty trucks follows the normal probability distribution…

A:

Q: Compute the mean, standard deviation, and variance for the probability distribution below. Round the…

A: 1 0.2 0.2 1 0.2 4 0.3 1.2 16 4.8 5 0.1 0.5 25 2.5 9 0.4 3.6 81 32.4       The mean of…

Q: The table provides the probability model for the random variable X = the number of clothing product…

A: 3. X : Number of clothing recalled in a given month. We have to find the probability that, P(exactly…

Q: A major application of analytics in marketing is determining customer retention. Suppose that the…

A: Wh have given that P(The customer leaves) = 0.14

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A:

Q: 2. Given the probability distribution, find the mean, variance, and standard deviation: -2 1 2 f(x)…

A:

Q: The table shows the estimated distribution of injury severity by child passenger. What is the…

A: The objective is to determine the probability the child is less than 1 year old or has no injury in…

Q: Illustration #2: Let X be a random variable with the following probability distribution -4 0.2 0.3…

A: Given: X-4012PX=x0.20.30.40.1X×PX=x-0.800.40.2X2×PX=x3.200.40.4 Thus mean can be calculated…

Q: The number of students using the Math Lab per day is found in the distribution below. Find the…

A:

Q: find the variance of the binomial distribution for which n = 800 and p = 0.88

A: The variance of the binomial distribution is defined as: Var(X)=np(1-p)

Q: A researcher surveyed the households in a small town. The random variable X represents the number of…

A: Given, x 0 1 2 P(x) 0·25 0·50 0·50 To check the given data is probability distribution or…

Q: A data scientist tracked how many cups of coffee she drank every day at work over the course of a…

A: Random variable: A random variable X is a real number that describes the outcome of the random…

Q: FIND THE STANDARD DEVIATION The number of items sold per day at a retail store, with its…

A: We have the probability distribution

Q: what is the random variable for the height of buildings? how do you find the probability…

A:

Q: While gathering eggs one day, Lisa has 15 eggs when Liana has 20 eggs at the moment when they…

A: X=Number of rotten eggs thrown by Liana Sample size n=20 p=0.1q=1-p=1-0.1=0.9 X~Binomn=20,p=0.1…

Q: The table shows the estimated distribution of injury severity by child passenger. What is the…

A: The total number of child passengers 6299677.

Q: The probabilities of a machine manufacturing 0, 1, 2, 3, 4, and 5 defective parts in one day are…

A: We have given that  Probability distribution of discrete random variable x.  Mean = E(X) = ∑x.P(X=x)

Q: 2. The probability that a customer will buy 1, 2, 3, 4, or 5 items in a grocery store are 3 1 1 2 3…

A: First, it is required to find the mean of the probability distribution. The mean is computed by…

Q: PO) 00.15 0.3 0.05 0.5 Find the mean of this probability distribution.

A: The table shows the x values and their probabilities.

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.