Question 2 A password with 6 characters is randomly selected from the 26 letters of the alphabet. What is the probability that the password does not have repeated letters, expressed to the nearest tenth of a percent? Enter your answer as a number, like this: 42.3

Q: Suppose that the Cumulative distribution function (CDF) of the random variable X with parameter 0 > ...

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Q: 19. In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are ...

A: We have given that  Success of probability p =33%=0.33 Number of trials n=10 X~binomial ( n ,p)  

Q: Given that z is the standard normal variable (with mean 0 and standard deviation 1), find (4 decimal...

A: As per our guidelines we can solve first three sub part of question and rest can be reposted. Soluti...

Q: viation is 150 dollars. You will use a simple random sample of 83 auto insurance policies. nd the pr...

A: Solution

Q: How do you illustrate a normal random variable?

A: How do you illustrate a normal random variable?

Q: Answer the question, considering an event to be "unusual" if its probability is less than or equal t...

A: We want to tell you above statement is correct or not 

Q: Discrete Probability: Consider a simple game in which you roll two dice. If you roll an even total, ...

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Q: Discrete Probability: What are the key characteristics of a uniform distribution?

A: Uniform distribution : In statistics, an even distribution may be a distribution perform within whic...

Q: 13. What is the probability of drawing a Jack given you Jack Heart 12 36

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Q: (b) Find Ox Consider the sampling distribution of the sample mean x. Complete the following. Do not ...

A: We have given that  Mean, μ = 2.38 Standard deviation, σ = 0.93 If X ~ N( μ, σ ) then X̅ ~ N( μ, σ/√...

Q: 3. Suppose that in a casino, a certain slot machine pays out an average of Php 15, with a standard d...

A: Given that, In a casino, a certain slot machine pays out an average of Php 15 with a standard deviat...

Q: Evaluate the number. P(11, 4)

A: According to the given information in this question P(11,4) We need to evaluate this

Q: 4. If five Pentagonal trapezohedron dice (10-sides) are rolled, what is the probability that each of...

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Q: The probability that a newborn baby does not cry after midnight is 2/50. The probability that a newb...

A: Given that  Probability mass function of X is  x 0 1 2 3 4 5 P(X=x) 2/50 11/50 23/50 9/50 5/50 ...

Q: Marlon walks to school a different way every day. He only travels North and East, travelling 4 block...

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Q: From 1 to 69 numbers, What is the probability that two consecutive numbers in the 5 selected numbers...

A: Given the problem of selecting five numbers from 1 to 69.

Q: Q3: A study was conducted to determine the effectiveness of a particular test for detecting a ertain...

A: Given Information: Total number of individuals is 120. Of the 120 people, 18 had the disease and the...

Q: How many unordered sets are there of four items chosen from eight

A: According to the given information in this question We need to find the value of C(8,4)  

Q: you are kidnapped by a mafia and they are planning to kill you. However, they will set you free if y...

A: Introduction: It is required to find the probability that the kidnapped person is able to walk away ...

Q: Solve for the mean, variance and standard deviation

A: here given discrete probability distribution of x    

Q: A business calculates that 60% of its suppliers are UK-based. Every month it randomly selects 8 of i...

A: Given that  Probability of its suppliers are UK-based=68% X=Number of supplies are UK-based X~Binomi...

Q: False

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Q: Bob selects independent random samples from wo populations and obtains the values pi = 0.700 and p2 ...

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Q: 5. A tricycle initially has six passengers and stops at different establishments in the city. If eve...

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Q: 16. Ten percent of the students at a certain college are non-resident. A reporter for the student pa...

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Q: 14. Which of the following show a simple event? A. Getting a sum of 4 in rolling dice. B. Choosing a...

A: Since you have posted multiple questions, as per our guidelines, we have provided answer for first q...

Q: A coin is tossed 9 times. Find the chance of getting 3 heads and 6 tails

A: Given that ; A coin is tossed 9 times i.e. n = 9 Let x be a head  i.e . X = 3  By using binomial dis...

Q: Yvonne tosses three coins. She is calculating the probability that at least one coin will land as he...

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Q: Find the probability mass function of X, then solve for its expected value, variance ,and standard d...

A: here toss a pair of dice so total outcomes = 36 X = maximum of two dice shown here use basic probabi...

Q: if we determine that a problem follows a geometic distribution, show that the probability of a succe...

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Q: Q)Suppose {2,3,3,4,2} is a finite population. A random sample of size 3 is drawn from this populatio...

A: Population The term "population" refers to a large number of people, things, or events. The populati...

Q: n(A ∩ B)

A: Two dice are rolled. The sample space  S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2...

Q: Discrete Probability: A spinner has 8 equal sectors, numbered from 1 to 8. In 10 spins, how many 5s ...

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Q: If R is the event that a convict committed armed robbery and D is the event that the convict pushed ...

A: It is given that R denotes the convict committed armed robbery and D denotes the event that the conv...

Q: Two samples are taken with the following numbers of successes and sample size: T1 = 31 r2 = 40 n1 = ...

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Q: For the facilities manager's sample, find and write with proper notation the sample proportion and p...

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Q: The table below shows the soft drinks preferences of people in three age groups. COLA ROOT BEER LEMO...

A: Solution

Q: Discrete Probability: A spinner has equal sectors. Three sectors are blue, two are red and four are ...

A: Given info: A spinner has equal sectors. Three sectors are blue, two are red and four are green.

Q: Assume that 1 in 300 people cany the defective gene causes ed colon cancer iha sanple of 1000 indivi...

A: Given that  Sample size n =1000 Success of probability p =1/300=0.0033  

Q: Let X be a random variable with p.d.f f(x) =)*,x 1,2,3, ... . Find P(A), %3D where A=(1,3,5, .} 2/3 ...

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Q: Find the probability that either a 6 or 7 will be obtained in one toss of a pair of dice.

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Q: Nicole Mariana and Deibey Nicolas, the Fajardo Rincon twins, ran a summer business. They put their e...

A: Given Account information of 1st 4 month Find Use the equation to predict how much money will be in ...

Q: A player sunk 65% in every free throw he made. Find the probability of getting one shot in two attem...

A: Let X be the random variable from binomial distribution with probability (p)= 65% = 0.65 and sample ...

Q: Suppose that a sample size of 100 is taken from a population with mean 500 and standard deviation of...

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Q: Question Two a) The table below shows the probability distribution of the discrete random variable X...

A: 2) (a)

Q: Mia work in an automotive tire factory. The number X of sound but blemished tiles that she produces ...

A: (A) Obtain the probability that mia will produce more than three blemished tires tomorrow. The proba...

Q: Suppose there seven people at a party. Is it possible that everyone at the party knows exactly three...

A: It is not possible. Imagine constructing an acquaintance graph in which each of the 7 people are rep...

Q: (a) Calculate Tom's point estimate. (b) Given that the estimated standard er- ror of (p1 + p2)/2 is ...

A: Here use basic of interval estimate and point estimate 

Q: Find the probability of scoring a total of 8 points in 2 tosses of a pair of fair dice (a) once, (b)...

A: If a pair of fair dice is thrown then total number of outcomes, n(S) = 6*6 = 36 The event space for ...

Q: Suppose that the random variables X,Y, and Z have the joint probability density function f(x,y,z) = ...

A: