Assume that in a lake there are 15000 fish, 1000 of them marked [with radioactive tracers]. 150 fish were fished out of the lake. Find the expectation of the number of marked fish among the fish caught.

Q: Imagine that 60 passengers on a cruise ship might be carrying a rare virus, and government health…

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Q: If 10% of the time Danny makes guacamole twice a month, 35% of the time he makes guacamole once a…

A: Using the given information we make a table Number of times (xi) 2 1 0 probability (pi)…

Q: The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 70% of planted…

A: From the provided information, Sample size (n) = 6 70% of planted seeds will germinate that is (p) =…

Q: The television show Degenerate Housewives has been successful for many years. That show recently had…

A: Probability: Probability is a chance factor which occurs at every possible outcome of an event. When…

Q: Suppose that 20% of the programs sold at the home game of a professional sports team contain a…

A: Since, we have to calculate the probability that at least half of the friends received the discount…

Q: At 12:00 noon a stand begins selling hamburgers and hot dogs.    Each customer will order either a…

A: Given information: A stand begins to sell hamburgers and hot dogs at 12:00 noon. Each customer will…

Q: Suppose that a small company purchases 250 of these 75-watt LEDs with a guarantee that 96% of them…

A: It is given that n = 250 and p = 0.96.

Q: A private pilot wishes to insure his airplane for $200,000. The insurance company estimates that a…

A: Define random variable X that marks the total loss from the exercise we have that X is a discrete…

Q: The probability that a 28-year old male in the US will die within one year is approximately 0.001…

A: Given information:Probability that a 28-year old male in the US will die within one year is…

Q: The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 70% of planted…

A:

Q: A boiler has five identical relief valves. The probabilitythat any particular valve will open on…

A: It is given that, There are five identical relief valves. The probability that any particular valve…

Q: A box contains 20 electric lamps of which 5 are defective. A man selects two lamps randomly and he…

A:

Q: A company has estimated that the probabilities of success for 3 products introduced in the market…

A: Given  3 products introduced in the market are 1/5, 1/3,  and  1/2

Q: The probability that a 22-year-old female in the U.S. will die within one year is approximately…

A: Given that the company will pay  $30,000 life insurance with a probability of 0.00044.   So the…

Q: Suppose that 5% of the time tucker goes to the movies twice a month, 10% of the time he goes to the…

A: The expected value for the number of times tucker goes to the movies during a month will be equal to…

Q: Look for the expectation value of x, , for a-particle-in-a-box, such that: ηπχ (x) = x xsin² dx €1³

A: We will use substitution and integration by parts to find value of integral

Q: The manager of a movie theater determines that the average time movie goers wait in line to buy a…

A: The manager of a movie theater determines that the average time movie goers wait in line to buy a…

Q: The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 80% of planted…

A: Given information- We have given that the percentage of planted seeds that will germinate is 80%.…

Q: A company gives each worker a cash bonus every Friday randomly giving a worker an amount with these…

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Q: here is a 0.9988 probability that a randomly selected 28 ​-year-old male lives through the year. A…

A: In this question, we have the probability that a randomly selected person whose age is 28 will…

Q: The probability that an 80-year-old male in the U.S. will die within one year is approximately…

A: Using the given information we make a table Company's earning (X) (495-10000)=−9505 495 total…

Q: assume that each of your calls to a popular radio station has a probability of 0.02 of connecting,…

A:

Q: A company has estimated that the probabilities of success for 3 products introduced in the market…

A: Given Information:  The probability of success of product 1 = 1/4 = 0.25 The probability of failure…

Q: A tennis player makes a successful first serve 30% of the time. If she serves 33 times, what is the…

A: Solution: Let X be the number of first serves and n be the number of times she serves. From the…

Q: Assume that Tom attends class randomly with probability 0.55 and that each decision is independent…

A:

Q: An electronic office product contains 5000 electronic components. Assume that the probability that…

A: Given that  n=5000 , p=0.999 , q=1-p=0.001 X= Number of failure components  p=probability of without…

Q: Suppose a company charges an annual premium of $110 for an insurance policy for minor injuries.…

A: Given: Company charges an annual premium of $110 for an insurance policy for minor injuries. Company…

Q: Suppose there is a 0.9986 probability that a randomly selected 30-year-old male will live to the end…

A:

Q: The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 75%of planted…

A: Given that the manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 75%of…

Q: help on 20

A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: In this case,…

Q: Suppose a life insurance company sells a $230,000 1-year term life insurance policy to a 20-year-old…

A: The expectation is given as E(X)=∑ixipxi where X is the value of the random variable and p(x) is the…

Q: A investor estimates that, in a year’s time, a certain stock has a 30% chance to be worth $125 per…

A: expectation E[X]=∑k=1nxkP(xk).

Q: The manager at the local auto shop has found that the probability that a car brought into the shop…

A: Let A represents oil requirement, B represents Brake repair. So  Given that, P(A)= 0.64 P(B)= 0.36…

Q: Suppose a life insurance company sells a $260,000 1-year term life insurance policy to a…

A: Given term life insurance policy to a 20​-year-old female for ​$170. the female survives the year is…

Q: The manufacturer of a fertilizer guarantees that, with the aid of the fertilizer, 70% of planted…

A: Formula : Binomial distribution is given by

Q: Assume that three stop lights on the way to school are independent. Their time probabilities are…

A: Given: P(Red)=0.4, P(Green)=0.5, and P(Yellow)=0.1 values.   What is the probability of getting ALL…

Q: For 10 percent of the products in a category, a firm fails to satisfy all demand during themonth.…

A: Given: For 10 percent of the products in a category, a firm fails to satisfy all demand during…

Q: An irregular six faced die is thrown and the expectation that in 10 throws it will give five even…

A:

Q: A supervisor is gathering samples of the newly-made products of the company. If each sample has 4%…

A: Givensample size(n)=20Each sample has 4% chance of missing a partp=4%=0.04Let "x" be the samples…

Q: During the 2015-2016 NBA season, Jodie Meeks of the Detroit Pistons had a free throw shooting…

A: Given that  The probability of Jodie Meeks makes any given free throw is fixed at 0.906 P(F) = 0.906…

Q: Suppose a life insurance company sells a ​$230,000 ​one-year term life insurance policy to a…

A: A life insurance company sells a $230,000 1-year term life insurance policy. The probability of…

Q: Assume that the microphone malfunctions with probability 0.39, the speakers with probability 0.43,…

A: According to the provided information,  A= microphone malfunctions  B = speakers malfunctions P(A) =…

Q: In Exercise 15, find the expectation if a person buys two tickets. Assume that the player's ticket…

A:

Q: Consider a computer system with poison job arrival stream at an average of three job arrivals per…

A: λ = 3 per minute

Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 55% of all…

A: Given n=15 p=0.75 q=1-p   =1-0.75   =0.75

Q: Assume that we flip a coin until a 2nd head is seen. Let X be the number of flips up until and…

A: Introduction: The random variable X denotes the number of flips of the coin, up until and including…

Q: The probability that an 80-year-old male in the U.S. will die within one year is approximately…

A: The probability that the person will die in 1 year is 0.069941.the price of the policy is 465…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.