Find the probability that a telephone call selected at random will last a. between 1 minute and 2 minutes b. at least 5 minutes

Q: Find the critical value, t, for c 0.90 and n= %310. O1.813 O 1.833 O 2.281 O 2.262

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Q: STIOW sheet provided, 1. Find an interval of values for Z using the standard normal distribution, co...

A: as per company guidelines I solved only First questions ..thank you 

Q: a) Let further increase the number of students (refer to Table C).  From the first graph to the thir...

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three ...

Q: The total of individual weights of garbage discarded by 17 households in one week is normally distri...

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Q: Direction: Read and analyze each problem before answering Activity 1. Solve the following problems. ...

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Q: Little Peten'ka refuses to eat broken spaghetti, so his monm wants so compare two brands "M" and "A"...

A: Given that, Little Peten 'ka refuses to eat broken spaghetti, so his mom wants so compare two brands...

Q: What is the mean of Class A and B? What are the standard deviation and variance of Class A and B? Wh...

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Q: 5. Two dice are tossed at the same time, what is the probability of getting a sum greater than 10? 1...

A: Note: According to Bartleby guidelines, expert solve only one question and rest can be reposted.

Q: (a) What is the probability that their first child will have green eyes and the second will not? 0.1...

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS Here Given  Probablity of Brown eyes=P(BR)=0.7...

Q: A concrete beam may fail either by shear (S) or flexure (F). Suppose that three failed beams are ran...

A: It is given that S represents shear and F represents flexure.

Q: 4. Two cards are drawn in succession without replacement. a. What is the probability of drawing an A...

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Q: B. Find the area that corresponds to each of the following: (Use the z table) 14e-0.70 42 1.06 13. z...

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Q: 7. The spread of the curve depends on the standard deviation of the distribution. 8. The normal prob...

A: We have given that.   X~N( 0 , 1 ) For standard normal  μ =0, ? =1   Z-score =( x - μ )/?   NOTE:- A...

Q: (a) How many three-digit nos. can be formed from the digits 0.1.2.3.4.5 & 6 if each digit can be use...

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Q: 3. A research scientist reports that mice will live an average of 35 months when their diets are sha...

A: For the given data mean=35 ,s.d=4.2 Find (A)P(X<30)=? (B)P(33<X<46)=?

Q: Find the scores one, two, and three standard deviations above and below the mean, given the followin...

A: Given that  μ = 86.1 , σ = 12.5   Find the score 

Q: 1. Two dice are rolled. Let A be the event that the sum of the numbers up is 7, or B the event that ...

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION PLZ REPOST FOR REMAINING  Here use basic pr...

Q: In a poker hand consisting of 5 cards, find the probability of holding (a) 3 aces; (b) 4 hearts and ...

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Q: Fuel consumption tests are conducted for a particular model of automobile. If a 98% confidence inter...

A: From the provided information, Standard deviation (σ) = 2.6 Confidence level = 98% Margin of error (...

Q: Give a real-life situation/scenario where Random Variability (1 for Discrete, 1 for Continuous) is b...

A: The following are examples of discrete random variables: The number of cars sold by a car dealer in...

Q: You are dealt one card from a 52-card deck. Find the probability that you are not dealt a diamond.

A: We know that,  A deck contains 52 card and have 13 card diamond then,  We will find the probability ...

Q: Chembio test for hepatitis C among HIV- infected patients(based on data from a variety of sources). ...

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Q: A survey was conducted of 100 students on which credit cards the students have, Mastercard and/or Vi...

A: a survey was conducted of 100 students on which credit cards the students have, mastercard and/or vi...

Q: Let E and F be two mutually exclusive events of a sample space (S). Let Pr(E)= 0.6 and Pr(E∪F)= 0.8 ...

A: We have given that,  E and F are two events are mutually exclusive with Pr(E)= 0.6 and Pr(E∪F)= 0.8 ...

Q: what is the probability that both of these items are available for a Trainer to use?

A: We have given that  P( Full restore is available for use ) = 0.98 P( Max revive is available for use...

Q: 2. The data presented above is about the Vaccine doses administered in the Philippines according to ...

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Q: Which of the following problems must be determined using a combination? Determine the probability of...

A: We have given that four different problems. Here we need to find out that which are determined by co...

Q: The probability of illness depends on the preventive healthcare investments made till that period an...

A: The illness depends on the preventive healthcare investments made till that period. It also depends ...

Q: You are dealt one card from a 52-card deck. Find the probability that you are not dealt a card with ...

A: Given Total number of cards in a deck(n)=52

Q: 25 packages are randomly selected from packages received by a parcel service. The sample has a mean ...

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Q: Surgery for a painful, common back condition often results in significantly reduced back pain and be...

A: Given that  Number of Patients =803 Number of patients getting surgery=398 After two years, of those...

Q: How many even 4 digit numbers can be formed from the digits 1, 7, 2, 4, 6, 9, 3, and 0 if the number...

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Q: __Actuarial Math__

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Q: 2. Abasket contains three apples, three peaches, and four pears. You randomly select a piece of frui...

A: There are total 10 fruits. n= 10 Apples= 3  Peaches= 3 Pears= 4  Probability that selected fruit is ...

Q: State whether the function is a probability mass function or not. If not, explain why not. p= {(7, –...

A: state whether the function is a probability mass function or not. if not explain why not.p={(7,-0.3)...

Q: If the random variable z has a standard normal distribution, sketch and find each of the following p...

A: We have to find given probability by using z score table..

Q: The proportion of people who respond to a certain mail-order solicitation is a continuous random var...

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Q: Consider the probability mnass function described below 3 4 7 8. P(X=x) 0.05 0.09 0.12 0.24 0.25 ???...

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Q: Problem 3: Find the Sample Size a. A pizza shop owner wishes to find the 95% confidence interval of ...

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Q: In the country of United States of Heightlandia, the height measurements of ten-year-old children ar...

A: Mean(µ) = 55.5 Standard deviations (σ) = 3.1 X ~ N (µ, σ )= N ( 55.5, 3.1)

Q: MALE FEMALE TОTAL Network 1 Network 2 31 38 69 17 14 31 ТОTAL 48 52 100 What is the probability of g...

A: We have given that the survey about student’s favourite tv network in tabulated form.

Q: 6.25 Suppose that the random variable z has a standard normal distribution. Sketch each of the follo...

A: by using online calculator

Q: Table 2-8 shows the distribution function of a random variable X. Determine (13) the probability fun...

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Q: Consider the following work breakdown structure: Time Estimates (days) Most Likely Activity Precedes...

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Q: 7-16. If P and -1 denote the distribution and quantile functions, respec- tively, for a standard nor...

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Q: a. Given a random sample of 70 resistors, what is the probability that its mean is between 218 N and...

A: HERE GIVEN, mean = 220 standard deviation = 11   here use central limit theorem  

Q: write D if the given variable is discrete and C if continuous. give solution    1. Desks in the cl...

A: Discrete random variable:discrete random variable is variable it takes countablenumber of values.Cot...

Q: 2. The joint density function of X and Y is given by fxv(x,y) = {@*y* Scxy2 x – 1< y<1-x, 0 <x<1 els...

A: As per the policy we are providing you the solution of first 3 sub parts . You can ask remaining que...

Q: Exercise 4.3 Two measurement methods are used to evaluate the surface smoothnes: a paper product. Le...

A: The joint probability density function of X and Y is given as: fxyx,y=c, 0&lt;x&lt;4, 0&lt;y and x-1...

Q: An urn contains 16 numbered balls, of which 10 are red and 6 are white. A sample of 4 balls is to be...

A: