The table below summarizes the responses from the experts. For instance, eleven of the fifty experts believe Ghana will record a 2% GDP growth for the coming year. Growth (%) Number of Experts 2 11 5 8 7 13 8 10 10 6 12 2 i. Develop a probability distribution for the growth in GDP for the coming year. ii. What are the expected value and variance for growth in GDP for the coming year?

Q: .Full time PH.D. students receive an average of P12837 per year.If the average salaries are normally…

A: Given : Let X : PH.D students salaries is normally distributed with Mean (μ)=12837 Standard…

Q: taining four P100 bills, two P200 bills, three P500 bills, and one P1,000 bill. Construct a…

A: The sample space formed is , S: 100,100,100,100,200,200,500,500,500,1000 Probability for the given…

Q: According to The World Bank, only 9% of the population of Uganda had access to electricity as of…

A:

Q: The Downitawn Parking Authority of Tampa, Florida, reported the following information for a sample…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Assume that the salaries of elementary school teachers are normally distributed with a mean $35,000…

A:

Q: The probabilities that are 1, 2, 3, 4, or 5 defective television sets of a certain manufacturer are…

A: Measured of dispersion measures the spread of the data. Standard deviation is a measure of…

Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The question is about discrete probability distribution Given : No. phone call telemarketers makes…

Q: A population proportion is 0.59. Suppose a random sample of 661 items is sampled randomly from this…

A:

Q: The owner of a computer repair shop has determined that their daily revenue has mean $7200 and…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Mr. Moosa is a Finance Manager in Orman Financials. The Probability and Retum for the four financial…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: A popular art museum in Izmir can accept 1,200 visitors a day. If this amount of traffic is…

A: We have given that  We want to use exponential distribution.  Mean = β Where  λ  = 1/β

Q: What effect does increasing the sample size have on the​ probability? Provide an explanation for…

A: Probability = favorable/total

Q: DESCRIPTIVE STATISTICS AND PROBABILITY THEORY 35. Determine the median from the following data:…

A:

Q: In the month of July, the average electrical Eversource bill in Amherst Massachusetts is $72 with a…

A: Given data,Mean μ=72sd σ=6If n=15P(X<75)=?

Q: 9. The probability that an American industry will locate in Shanghai, China is 0.7. The probability…

A: Given P(Shanghai) = 0.7 P(Beijing) = 0.4 P(Either Shanghai or Beijing) = 0.8

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.