If 7 people are randomly​ selected, find the probability that no 2 of them have the same birthday. Ignore leap years. The probability that 7 people have different birthdays is

Q: In Marissa's calculus course, attendance counts for 5% of the grade, quizzes count for 10% of the…

A: Formula Used: Weighted average = ∑WiXi∑Wi

Q: The average price of a gallon of unleaded regular gasoline was reported to be $2.34 in northern…

A: The following information has been provided: The population mean is μ=2.34. The population standard…

Q: 6.30 Fuel efficiency. Computers in some vehicles calculate various quantities related to…

A: The given sample observations are: 41.5 50.7 36.6 37.3 34.2 45 48 43.2 47.7 42.2 43.2 44.6…

Q: Assume that blood pressure readings are normally distributed with a mean of  125  and a standard…

A: From the provided information, Mean (µ) = 125 Standard deviation (σ) = 4.7 X~N (125, 4.7) Sample…

Q: If beta is equal to 0.4165, then the power of the test would

A: It is given that  Beta, β = 0.4165

Q: A study of 420,081 cell phone users found that 0.0324% of them developed cancer of the brain or…

A: From the provided information, Sample size (n) = 420081 Sample proportion (p̂) = 0.000324 Confidence…

Q: A professional baseball player receives a shipment of 10 new bats that are identical in appearance,…

A: 3 defective bats 7 non defective bats ____________________ 10 total bats   select 5 at random…

Q: -9 The range is $ 250. dollars² (Round to the nearest whole number as needed.) ا... 46 | 21 = LTE2 {…

A: Data given 422,465,404,215

Q: with less than 15 years - service? 2. How many are married male with more than 15 year - service? 3.…

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subparts…

Q: Question 25 The CEO of a large financial institution claims that, On average, their clients invest…

A: given data claim : μ > 75000α= 0.10n = 19x¯ = 74000s = 7000critical value = ?

Q: 1) Assume the following joint probability distribution: P(x,y) 1 3 5 сл 2 0.1 0 0.1 Y 5 0.3 0.1 0.1…

A: To find the marginal probability distribution of x and y, we add the probabilities for values of x…

Q: The probability that your classmate likes ice cream is 100%. And the probabability that they like…

A: Formula :  P( A but not B) = P(A and B' ) = P(A) - P(A and B)  P(A) =P( like icecream) = 100% = 1…

Q: What does the symbol​ ! represent? The five starting players of an NBA basketball team can stand in…

A: We have to explain about symbol !

Q: What is the critical value at the 0.10 level of significance (rounded to theee or more decimal…

A: We have given that Significance level (α) = 0.10

Q: An insurance company crashed four cars of the same model at 5 miles per hour. The costs of repair…

A: Given data is,$405 , $425 , $476 , $210

Q: Webster Chemical Company produces mastics and caulking for the construction industry. The product is…

A:

Q: State and prove the (Neyman) Factorization Theorem

A:

Q: Sampling 4 pieces of​ precision-cut wire​ (to be used in computer​ assembly) every hour for the past…

A: Sampling 4 pieces of​ precision-cut wire​ (to be used in computer​ assembly) every hour for the past…

Q: The table below displays results from experiments with polygraph instruments. Find the positive…

A: Solution: The given information can be written in table form as    No ( did not lie)  Yes (lied…

Q: About 20% of babies born with a certain ailment recover fully. A hospital is caring for seven babies…

A:

Q: d. Should (AGE)² be retained in the final model for the sake of precision? Explain. e. In light of…

A: Note: As per the requirement, solving part(d)-part(g) Regression analysis provides precise estimates…

Q: A very large bag contains more coins than you are willing to count. Instead, you draw a random…

A: From given data we have : Quarters = 26 Dimes = 23 Nickels = 22 Pennies = 29 Total = 100

Q: 25 The data to the right represent the number of customers waiting for a table at 6:00 P.M. for 40…

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subparts…

Q: ►SHOW ANSWER 8.6 SP According to the General Social Survey, the average age when a person's first…

A: Given that  We have to conduct hypothesis testing for Are working-class people in urban areas…

Q: a. What is the distribution of X? X - N( b. What is the distribution of I? I ~ N( c. What is the…

A: It is given that Mean = 1008, SD = 242 And sample size n = 10 Note : According to our guidelines we…

Q: Identify the sample space of the probability experiment and determine the number of outcomes in the…

A: given data, randomly chossing a number from the even numbers between 1 and 10 , inclusive we have to…

Q: Use the given data below to make a box-and whisker plot. 1. 31, 23, 33, 35, 26, 24, 31, 29 2. 48,…

A: Data given 1. 31, 23, 33,35, 26, 24, 31,292.48, 52, 68, 32, 53, 47, 51

Q: ose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: given data, standard normal curve so X~N(0,1)we have to find out the  VALUE OF C for the given data

Q: = 2) Let the joint probability function of X & Y be defined by Pxy(x, y) = Is this a proper…

A: First we create the probability distribution table from the above probability function for every…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: given data μ=183000σ=34000n=65here sample size n≥30as per CLT we can say that distribution is…

Q: The random variable  x  represents the number of cars per household in a town of  1000…

A: Given that,  The random variable x represents the number of cars per household in town of 1000…

Q: O) Let X & Y have the joint probability function f(x, y) = 2, 0≤x≤ y ≤ 1, i) Find h(xly). What is…

A:

Q: Find the necessary sample size. You wish to estimate the mean weight of machine components of a…

A: given data 92% ci E = 0.004σ = 0.04n = ?

Q: K A concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The…

A: Given data is3970,4090,3200,3200,2940,3820,4100,4050,3390sample size(n)=9

Q: d an example of a research question

A: Research Problem The first significant step of the research process is to identify the problem for…

Q: A very large bag contains more coins than you are willing to count. Instead, you draw a random…

A: Given:   Quarters Dimes Nickels Pennies 28 26 30 16

Q: A tripling of the value of x results in the value of y increasing by a factor of nine.

A: we have to find   A tripling of the value of x results in the value of y increasing by a factor of…

Q: 16. Defining success as a student wearing a hat, find p and 4 when 340 students were observed and…

A: It is given that  Favourable cases, X = 109 Sample size, n = 340

Q: Find the 25th percentile weight for a pumpkin where the mean weight is 12 lbs with a standard…

A: given data,Pumpkinweight  follows normal distribution,μ=12σ=2.4we have to find out the 25th…

Q: The average height of students at UT from an SRS of 11 students gave a standard deviation of 3.0…

A: Givensample size(n)=11standard deviation(s)=3.0confidence level=95%

Q: Ms. Abrao wanted to try a new grading scheme to determine grades for the next exam. S decided to…

A: Given: Grade and their corrsponding z score range The class contains 93 students.  We have to find…

Q: What is the probability of randomly selecting a Male given that he has a Mac book computer? What is…

A: From the contingency table, we get Total number of people in a survey = 223 Total females = 117…

Q: (a) Determine the mean, median, and mode pH for each type of water. Comment on the differences…

A: From given data we have : Tap water xi : 7.64,7.45,7.47,7.50,7.68,7.81,7.45,7.34,7.56,7.47,7.52,7.47…

Q: Edited SAS Output (PROC REG) for Regression of WGT on HGT Source Model Error Corrected Total OF Sum…

A: Note: As per the requirement, solving part(d)-part(f) Regression analysis provides precise estimates…

Q: Perform hypothesis testing. Show all the steps and solutions. Note: Excel / Stat computation…

A: Null Hypothesis: H0: SBP of the volunteers after pill is not less than the SBP of the volunteers…

Q: manufacturer of banana chips would like to know whether its bag filling machine works correctly at…

A: It is given that  Population mean = 440 Sample mean = 443 Sample standard deviation = 25 Sample size…

Q: pook 15. The following ten daily observations on PM2.5 values in Buffalo were observed in January…

A:

Q: A poll of 2 comma 035 randomly selected adults showed that 90​% of them own cell phones. The…

A:

Q: A state lottery is conducted in which six winning numbers are selected from a total of 54 numbers.…

A: given data 54 numbers 6 are winning numbers 48 are non winning numberswe select  6 numbers at random

Q: There are 805 identical plastic chips numbered 1 through 805 in a box. What is the probability of…

A: the required Probability is given by ; Probability = (No. of Favorable outcomes)/(Total no. of…