A survey of colleges in the San Diego area yielded the following where x represents the number of statistics courses offered during the fall semester and P(x) the corresponding probabilities. x P(x) 0 .05 1 .10 2 .20 3 .35 4 .25 5 .05 A: The probability that a randomly selected college offers at most 3 statistics courses is____ B: The mean of the distribution is____ (round to 1 decimals)

Q: The following table lists the probability distribution of the number of patients entering the…

A: Given data is Patients per hour 0 1 2 3 4 5 6 probability 0.273 0.354 0.230 0.100 0.032 0.01…

Q: 6.35. A local television station sells 15-second, 30-second, and 60-second advertising spots.…

A:

Q: 1. The number of defective parts of a machine with its corresponding probabilities is shown below.…

A: No. of defective items (x ) P(x) xP(x) x2P(x) 1 210 210 210 3 210 610 1810 5 310 1510 7510 7…

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: In a normal distribution, the majority of cases f

A: It is given that the statement about to the normal distribution. Here, need to find out the correct…

Q: P(x) 0.3 0.15 0.2 3 0.35 2.

A: Given data, Find the standard deviation?

Q: Suppose that the heights of men in the United States are normally distributed with a mean of 65.6…

A: The mean is 65.6 and the standard deviation is 2.7.

Q: Suppose that 35%  of all adults in a population would say “good”  and 65% would say “bad”  if they…

A: As per the question35% population say good65% population say badMean of the ample proportion who say…

Q: Since the heights of people in USA is normally distributed, what is the probability that an…

A: Given data Normal distributionP(x>μ+2σ) = ?

Q: 4. The distribution of the time until change (in days) of a Web Days until Changes 1.5 site is…

A:

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

A:

Q: Suppose that the average price for a gallon of gasoline in the Country A is $2.79 and in Country B…

A: Data about the price of gasoline in two different countries is given.For country A:Mean is Standard…

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

A: mean(μ)=∑x.P(X)

Q: 2. The number of patients visiting an emergency room during the graveyard shift (11:00pm-7:00pm),…

A: Given probability distribution: X 0 1 2 3 4 5 6 P(X=x) 0.05 0.20 0.25 0.20 0.10 0.15 0.05

Q: Suppose the movie theatre box office of a new film to be released is predicted to follow a Normal…

A:

Q: . Find each of the following probabilities for a normal distribution. a. p(z > 1.25) b. p(z > -0.60)…

A: Required probability is P(Z>1.25)

Q: 3. The number of cars sold per day at a local car dealership, along with its corresponding…

A: Given

Q: Compute the mean number of accidents per day. b.Compute the standard deviation. c. What is the…

A: We have given that the probability distribution for the number of traffic accidents daily in a small…

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

A: X12345678P(X=x)0.040.090.140.290.290.130.010.01....

Q: Which of the following probabilities indicates a relationship that is not statisti­cally…

A: By statistically insignificant, we means that there is less difference between the measure of null…

Q: Suppose the weight of dogs is normally distributed with a mean of 35 pounds and a standard deviation…

A: Given,   Mean = 35 Standard deviation = 5   The objective is to find the probability a dog weighs…

Q: Suppose that 35% of all adults in a population would say “good” and 65% would say “bad” if they were…

A: It is given that a sample of 1,000 adults from a population is randomly selected and the population…

Q: using simulatio to estimate the profit per unit for a new product. The selling price for the product…

A:

Q: B. The following table shows the probability distribution for the number of students absent from a…

A:

Q: Suppose that weight of adolescents is being studied by a health organization and that the…

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Q: 1. The numbers of computers sold per day at a local computer store, along with its corresponding…

A: The variance of X is calculated as V(X) = E(X2) - (E(X))2 And SD(X) = √(V(X))

Q: Match p=0.4, p=0.5, p%=0.7 with the correct g O A. (a) p=0.7, (b) p=0.4, (c) p= 0.5 O B. (a) p=0.5,…

A: we are given that the histogram represent binomial distributions where the binomial parameter p…

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

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

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Q: 3. The number of adults living in homes on a randomly selected city block is described by the…

A: