Statistics show that only 25% of firms listed on the Lusaka Stock Exchange declared a dividend last year. In a sample of six listed firms, what is the probability that: (a) none will declare a dividend this year?  (b) at least half of them will declare a dividend this year?

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A: From the provided information, 18% of a population eats yogurt daily that is (p) = 0.18 Sample size…

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A: Introduction: Denote X as the number of pest emergences in two weeks, which occurs at the rate of 1…

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A: here given , Telephone calls enter a college switchboard on the average of two every three minutes.

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Q: life insurance salesman sells on the average 3 life insurance policies per week. Use Poisson's law…

A: Given that  X~Poisson(λ=3) Probability mass function of X  P(X=x)=λxe-λ/x!   , x=0,1,2,____

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A: The probability density function of poisson distribution is given by

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Q: Exercise: 1. A couple plans to have children until they have exactly 3 boys. Suppose that the…

A: Given :- A couple plans to have children until they have exactly 3 boys. Suppose that the…

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Q: University Data Not Receiving Total Recelving Financial Aid Financial Aid Undergraduates 4222 3898…

A: Given: To determine: The probablity that a student recieves an aid and is a graduate.

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A: Let X denote the payout amount with the corresponding probability p(x). Then we have  S.No.…

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A: Here n = 20 N = 250 p = 0.60

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A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: Statistics show that about 42% of Americans voted in the previous national election. If three…

A: Let "X" be the Americans who voted in the previous national election.

Q: On-Time Airlines. The Office of Aviation Enforcement and Proceedings (OAEP) publishes important…

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Q: True or False In a probability model, all possible outcomes together must have a probability of 1.

A: The probability is the chance of the occurrence of an event. It is required to check whether the…

Q: Ouestion2. In a town, 40% are men and 60% are women. 50% of men and 30% of women smoke. What is the…

A: Given,P(men)=0.40P(women)=0.60P(smoker | men)=0.50P(smoker | women)=0.30

Q: #17) On Monday 60% of the stocks on the Nasdaq increased in value. A club owns 20 stocks in the…

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Q: If a particular shipment of thousand of bulbs actually has a 5% rate of defects, what is the…

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Q: Social Security Numbers A Social Security number consists of nine digits in a particular order, and…

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A: Solution Given a certain city is hit by a hurricane about every 25 years.

Q: Insurance An insurance company insures a person's antique coin collection worth $20,088 for an…

A: Income of an insurance company is the an annual premium =300 antique coin collection value=$20000…

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A: Given, Students arrive at the Administrative Services Office at an average of one every 15 minutes,…

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Q: Health officials routinely check sanitary conditions of restaurants. Assume you visit a popular…

A: Given that - Health officials routinely check sanitary conditions of restaurants. Assume you visit a…

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Q: In a probability experiment, 15 out of 50 trials were successful. a) Determine the experimental…

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Q: The national Safety Council (NSC) estimates that off-the-job accidents cost U.S. businesses almost…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Voters Lying? In a survey of 1002 people, 701 said that they voted in a recent presidential election…

A: a.From the given information, in a survey of 1002 people, 701 said that they voted in recent…

Q: drawing a single cared from a standard deck of cards. What is the probability that you don't get a…

A: Total number of cards in a deck = 52 Total  queen cards in a deck = 4

Q: Historical data show that 8% of donors who book an appointment to donate blood in a clinic in Ottawa…

A: Given info: Historical data show that 8% of donors who book an appointment to donate blood in a…

Q: A local forest contains a population of 10,000 deer. Scientists capture, tag, and release 500 of…

A: Given: Number of deer in a population = 10000 Number of deer tagged in a population = 500 Sample…

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Q: 16 percent of the customers of a mortgage company default on their payments. A sample of 5 customers…

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Q: 6. Data show that 20% of all patients who make appointments at a primary-care clinic never show up.…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Let, X=…