A state insurance commission estimates that 13% of all motorists in its state are uninsured. Suppose this proportion is valid. Find the probability that in a random sample of 50 motorists, at least 5 will be uninsured. You may assume that the normal distribution applies. Group of answer choices

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A: a. Consider that p is population proportion of households that spend more than $100 per week on…

Q: A college student is conducting a survey to see if students prefer cats or dogs. They survey 100…

A: A discrete random variable X is said to follow the binomial distribution if its p.m.f is given by:

Q: Handy Glass Pty has found that 25% of customers in its client base are located in Gauteng. A sample…

A: Given, p=0.25 and n=130   And, with the use of normalization, when p^~Np,p1-pn…

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A:

Q: A nationwide study indicated that 80% of college students with cell phones send and receive text…

A: Given that, A nationwide study indicated that 80% of college students with cell phones send and…

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A: Given Information p = 0.39 n = 500 Sampling Distribution of p-hat is Normal Distribution with mean…

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A:

Q: In 2019 about 45% of people watch over 3 hours of tv a week. Suppose 8 people were selected at…

A: It is given that n = 8 and p =0.45.

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A: Given  Probability of 1 tv set getting defective appearance is 0.23.we need to determine the…

Q: The factory workers in Brighton are prone to a disease called Pneumonia. In a recent survey in a…

A:

Q: In an election, suppose that 55% of voters support a school levy increase. If we poll 176 of these…

A: Given suppose that 55% of voters support a school levy increase If we poll 176 of these voters at…

Q: A normal distribution has μ = 80 and σ = 10.  What is the probability of randomly selecting a score…

A:

Q: Construct a probability distribution for the experiment and random variable. a. EXPERIMENT:…

A:

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: A local rental car agency has 50  cars. The rental rate for the winter months is 60%. Find the…

A: A local rental car agency has 50  cars. The rental rate for the winter months is 60%.

Q: Find the probability of being dealt a bridge hand of 13 cards containing 3 spades, 4 hearts, 2…

A: Solution: From the given information, a bridge hand of 13 cards containing 3 spades, 4 hearts, 2…

Q: The amount of tea leaves in a can from a particular production line is normally distributed with µ=…

A: Given,     mean(μ) =110     standard deviation(σ) = 25   sample size(n) =25a) sample means (μx) =110…

Q: Consider the probability that exactly 87 out of 150 CDs will not be defective. Assume the…

A:

Q: In an election, suppose that 60% of voters support creating a new fire district. If we poll 110 of…

A: P=60% =0.6 n=110 se =/p(1-p)/n =0.04670

Q: A factory manager collected data on the number of equipment breakdowns per day.  From this data she…

A:

Q: 3) The number of customers in a bank follows a Poisson Distribution with mean 5. What is the…

A:

Q: Among US cities with a population of more than 250,000, the median commute time to work is 24.3…

A: The mean is 38.3 and the standard deviation is 7.5.

Q: Given a normal distribution with μ=101 and σ=25​, and given you select a sample of n=25​, What is…

A:

Q: Handy Glass Pty has found that 25% of customers in its client base are located in Gauteng. A sample…

A: Obtain the probability that more than 24.50% of the customers in the sample are situated in Gauteng.…

Q: Determine whether the distribution is a discrete probability distribution. x P(x) 0  0.21 1  0.28 2…

A: Discrete probability distribution :  The probability distribution of a discrete random variable X is…

Q: Twenty-six percent of people in the United States with internet access go online to get the news. A…

A: Given: p = 26% = 0.26 n = 5 X = the number of people who get the news

Q: A talk radio station as four telephone lines. If the host is an able to talk (I.e., during a…

A: Here, X denotes the number of telephone lines (x). Mean of the distribution:…

Q: In the following case, do you think the sample size is large enough to use the normal distribution…

A: Conditions for normal distribution: np≥5 n(1-p)≥5   Given information: n = 59 and p = 0.23

Q: 2. It is reported that 54% of college students take on debt to pay for their education. a) Suppose a…

A: Given data: 54% of college students take on debt to pay for their education. I.e ; p = 0.54 Sample…

Q: Flying over the western states with mountainous terrain in a small aircraft is 40% riskier than…

A:

Q: time taken to complete an order on eBay follows a uniform distribution between 50 to 250 seconds.…

A:

Q: A biologist measured the lengths of hundreds of cuckoo bird eggs. Use the relative frequency…

A: Given :

Q: Which normal distribution curve is the most skewed, according to the following skewness:

A: Here rule for skewness rage Less -1 or greater than 1 then distribution is highly skewed  If range…

Q: The number of homeruns hit during a major league baseball game follows a Poisson distribution with a…

A: Let "X" be the number of home runs hit during a major league baseball game.

Q: The diameter of ball bearings produced in a manufacturing process can be explained using a uniform…

A:

Q: The table shows the distribution, by age and gender, of the 29.4 million people who live alone in a…

A: To find out the probability of a randomly selected person living alone in the region that is in the…

Q: A Food Marketing Institute found that 38% of households spend more than $125 a week on groceries.…

A: (a) Obtain the distribution of sample proportion. The distribution of sample proportion is obtained…

Q: Determine whether the given scenario meets the criteria of a binomial distribution: you ask twelve…

A: A binomial experiment is a discrete probability experiment. To use the binomial model,…

Q: a. What is the distribution of X? X - N( b. Find the probability that a randomly selected Private…

A: HERE GIVEN, mean = 26477$ standard deviation = 6561$ here X= the cost for randomly selected college…

Q: A tube of listerine tartar control toothpaste 4.2 ounces. As people use the toothpaste the amount…

A: Given,A random variable X~Uniform distributionf(x)=14.2   ; 0≤X≤4.2 and CDF  of X…

Q: A large car dealership claims that 47% of its customers are looking to buy a sport utility vehicle…

A: Given,sample size(n)=61sample proportion(p^)=0.40population proportion(p)=0.47

Q: a. Find the probability that an individual distance is greater than 212.50 cm. 6. Find the…

A: Let , X→N(μ=202.5 , σ=8) , n=20 Now ,  (a)…

Q: What is the distribution of X? What is P[X = 2]?

A: The moment generating function is defined as MX(t) = E(etx) = Σetx.P(X = x)

Q: A normal distribution has a mean of µ=65 with σ=2. If one score is randomly selected from this…

A: Given that, Mean = 65 Standard deviation = 2

Q: Determine whether the given procedure results in a binomial distribution.    Tossing a coin 12…

A: Given data :  Total number of coin toss , n = 12

Q: A tube of listerine tartar control toothpaste 4.2 ounces. As people use the toothpaste the amount…

A: Given information- We have given that the amount of toothpaste remaining in the tube follows a…

Q: construct a probability distribution for the data and draw a graph for the distribution. Garage…

A: Given: X random variable 0, 1, 2, or 3 cars are having probability 0.22, 0.33. 0.37, and 0.08