On a hiking trip, the ratio of the number of children to the number of adults is 3 to 5. Which of the following could be the total number of children and adults on the hiking trip?

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Q: 4. For a Poisson distribution X~P(A) (A > 0), which one of the following values does equal to? A. 1…

A: The probability mass function of X is, The mean of X is

Q: Don’t show explanation

A: Residual = Observed value – predicted value e = y – ŷ

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Q: In a recent study on world happiness, participants were asked to evaluate their current lives on a…

A: Given,mean(μ)=4.6standard deviation(σ)=2.6

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A: Given: A lumber claims that at least 10% of its new customers will return to buy their next order of…

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A: Given data The number of courses taught per semester by a random sample of university professors are…

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Q: owing to unpredictable traffic situations, the time required by a certain student to travel from her…

A: Let us consider the time required by a certain student to travel from her home to her morning class…

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A: As Dr. S. N. De said "A permutation of a set is defined as an arrangement of its members into a…

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Q: 1. Use the bisection method with a hand calculator or computer to find the indicated roots of the…

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Q: responding z-scores. If convenient, use technology to find the z-score. P18 ck to view page 1 of the…

A: Given that.   X~N( μ , ?^2 )   μ=0     , ?=1   Z-score =( x - μ )/?

Q: Test the claim about the population mean, μ, at the given level of significance using the given…

A: Given,Claim: μ=50α=0.03σ=3.64x¯=49.7 n=70

Q: Let X represent a binomial random variable with n=400 and p=0.8. Use Excel's function options to…

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Q: A spinner is broken into sections labeled 1 to 38. What is the probability that, on your next spin,…

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Q: Find the critical value z necessary to form a confidence interval at the level of confidence shown…

A: Given data isconfidence level(c)=0.89

Q: Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population.…

A: From the provided data Σx=311The square of each number and sum of their quaresΣx2=6319n=16The mean…

Q: Use the confidence interval to find the margin of error and the sample mean. (0.196,0.300) The…

A: Given confidence interval is (0.196 , 0.300)Upper limit = 0.300Lower limit =0.196

Q: At one point, license plates in a certain state consisted of 2 letters (excluding I, O, Q, and W),…

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Q: According to CBS Money Watch, the average monthl phone bill is $100. Suppose monthly household cell…

A: It is given that the mean is 100 and the standard deviation is 11.35.

Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

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Q: Tor e 2. determine the ratio of the likelihood function A(x: 00, 0₁) = L(x: 00) L(x: 01)

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Q: 5- If X and Y are uncorrelated, then they are not necessarily statistically independent. O True O…

A: Given a statement related to correlation, we have to write the statement is true or false.

Q: 3- If X-hyp(n, D, N) then, the second factorial moment of X is O True о False n(n-1)D(D-1) N(N-1)

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Q: For each level of confidence c below, determine the corresponding normal confidence interval. Assume…

A: Solution Given information

Q: The density function of a continuous random variable X is shown below. Find (a) the mode. (b) the…

A: Given  A density function,we need to determine mode,median and mean. Please find the below…

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A: Each outcome is equally likely  6 outcomes, so probability for each is (1/6) Now we have to…

Q: 10 Andy, Joseph and Wai Lung formed a team to take part in a quiz. The ratio of the number of points…

A: Given that Andy, Joseph and Wai Lung formed a team to take part in a quiz. The ratio of the number…

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A: here given  sample size =  n   = 20  sample mean  = 180 cm  sample standard deviation = 10cm  here…

Q: In how many ways can 4 persons be seated in consecutive seats in a row of 7 seats? a. b. 72 54 C. d.…

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Q: The distribution of weights for full term newborn female infants is normal with mean 2.8 kg and…

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Q: 3. Given the cumulative distribution function of a continuous variable X, x < 0 0<x< 1. Please solve…

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Q: In a random sample of 8 people, the mean commute time to work was 34.5 minutes and the standard…

A: Given,mean(x¯)=34.5population standard deviation(σ)=9.3sample…

Q: 1- The total number of positive integers that can be formed from the digits 1,2,3 and 4 if no digit…

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Q: Question 4 946 red firs 217 A buyer must decide whether or not to accept a shipment of 40 parts. The…

A: Solution-: Given: N=40,M=5, n=6 Our aim to find, (a) P(accept shipment no defective parts are…

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 104 inches and a…

A: Given that.   X~N( μ , ?^2 )   μ=104     , ?=0.4   Z-score =( x - μ )/?

Q: Which is the expectation for a binomial distribution? O a) 3/ о b) np

A: Given problem is :

Q: George invested P25,000 at 9% compounded quarterly. After 2 ½ years, the rate changed to 9.6%…

A: Solution: Here the interest rate is 9% compounded quarterly, that means 4 times a year (there are 4…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: GivenTotal no. of cards in a standard deck = 52No. of "10" cards in a deck = 4No. of "5" cards in a…

Q: A coin is tossed and an eight-sided die numbered 1 through is rolled. Find the probability of…

A: Given A coin is tossed and an eight-sided die numbered 1 through 8 is rolled.

Q: The California license plate has one number followed by three letters followed by three numbers. How…

A: GivenCalifornia license plate has one number followed by three letters followedby three numbers…

Q: [Q2] The probability distribution for the discrete random variable in the table below. Find: c,…

A: For the given data Find c = ? F(x)= ? P(6&lt;X&lt;=8)=?

Q: The undergraduate grade point averages (UGPA) of students taking an admissions test in a recent year…

A: The mean is 3.26 and the standard deviation is 0.15.

Q: No long expalanation needed. Write the solutions legibly. UPVOTE will be given! STATISTICS AND…

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Q: For the statement below, write the claim as a mathematical statement. State the null and alternative…

A: Given,Claim: The mean life of the battery for a certain modle of laptop is less than 5 hours.

Q: Question 1 The bulk density of pima clay loam follows normal distribution with mean of 1.75 g/cm³…

A: Given Mean(μ)=1.75 g/cm3standard deviation(σ)=0.25  g/cm3

Q: The population mean and standard deviation are given below. Find the required probability and…

A: Given,mean(μ)=23standard deviation (σ)=1.15sample size(n)=61

Q: The Philippine Red Cross says that about 11% of PH population has Type B blood. A blood drive is…

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Q: . How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by…

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