In general, the probability that a blood donor has type a blood is 0.40 consider six randomly chosen blood donors. What is the probability that exactly half of them have type a blood

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A: given data E = 0.0395% ci for pn = ?(a) use p^ = 0.54(b) no prior estimate.

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A: Answer:  From the given data , the set of numbers 4,6,5,3 and 8 the first and second moments are,

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A: Given n1=280, n2=300, level of significance ɑ=0.05  x̄1=83,  x̄2=82

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Q: Anya gathered a random sample of chips from a popular company. She calculated data on different…

A: From the given information we find the correct option.

Q: An incomplete frequency distribution is given as follows: Variable Frequency Variable 10-20 12 50-60…

A: Hence the answer

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A: given data   student's t distribution degrees of freedom = 9

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A: As per our guidelines we are suppose to answer only one questionGivenP(A)=4.1%=0.041P(B)=4%=0.04P(A…

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A:

Q: (a) Above 59 (b) Below 59 (c) Above 47

A: given data

Q: 7. Find the function U, whose first difference is *C

A:

Q: The sample space listing the eight simple events that are possible when a couple has three children…

A: Sample space: All possible outcomes.

Q: (d) below 1.30, (e) above 1.90, (f) below 1.90,

A: standard normal distribution   Z~N(0,1)

Q: ou collected data from 84 adults in multiple villages on the distance they lived from school when…

A: The data is collected from 84 adults in multiple villages on the distance they lived from school…

Q: Construct a 99​% confidence interval of the population proportion using the given information.…

A: The given confidence level is 99%, x=40,n=200.

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A:

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Q: A magazine used the summated rating of 10 restaurants to predict the cost of a restaurant meal. For…

A: given datan=10SSR = 133295.11SST=140966.67we have to find r2

Q: 3. x and y are independent zero mean Gaussian random variables with variance of and o3. Let z = (x +…

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Q: distribution. Calculate the following probabilities using the ALEKS calculator. Round your responses…

A: Given that  A) P(Z > 1.69) = ? B) P(Z ≤ −2.09) = ? C) P(0.78 < Z < 2.04) = ?

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A:

Q: Determine the point estimate of the population​ proportion, the margin of error for the following…

A: GivenLower Bound=0.278Upper Bound=0.682sample size(n)=1200

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Q: d to each of the 12 patients resulted in the following increase of blood pressure: 5, 2, 8, -1, 3,…

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A: as per bartleby guideline expert have to answer first three subparts only dear student please upload…

Q: of fiber is According to Chemical Engintering , an Important absorbency the avera average percent…

A: The values given in the question are as follows -   Cotton  Acetate  Sample size   n1 = 25  n2…

Q: 1 K In the game of roulette, a player can place a $8 bet on the number 14 and have a 38 probability…

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Q: How can p<.05 be interpreted

A: Given that  p&lt;.05 Level of significance =0.05.

Q: (Assume standard normal distribution. Find the probability below. a. P( z 4.56)

A: standard normal distribution Z~N(0,1)

Q: (Question from the class forum) A grocery store has 3 red apples, 2 green mangos, 6 green apples, 3…

A: 3 - red apples 2 - green mangos 6 - green apples 3 - red mangos ____________________ 14 total fruits…

Q: Joan and Cindy are on the same bowling league.  The probability that Joan scores more than 150 is…

A: Given that: Probability that Joan scores more than 150 = 0.4 Probability that Cindy scores more than…

Q: What is the student's GPA for that term? Round to two decimal places.   Student's GPA =

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Q: Consider a Poisson probability distribution with λ=2.4. Determine the following probabilities

A: Given  Average=rate=2.4

Q: A data set includes the counts of chocolate chips from three different types of Chips Ahoy cookies.…

A: Given that  dftreatment = 2 dferror = 77  dftotal = 79

Q: Consider the Markov chain with state space S = {0, 1, 2,...} and transition probabili- ties Poo =…

A: Given the Markov chain with state space S=0,1,2, . . . and transition probabilities p00=1-p, p02=p,…

Q: Suppose a retaler claims that the average wait time for a customer on its support line is 101…

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Q: Can Y = 5 + 2.8 X and X = 3 -0.5Y be the estimated regresswion equations of Y on X and X on Y,…

A: Answer...

Q: Determine whether the following procedure results in a binomial distribution or a distribution that…

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Q: According to the records of a soft drink company, the bottles for their one-liter-sized products…

A: According to the given information in this question We need to find the given probability

Q: 1. A furniture store reduces the prices of sofas in an autumn sale. The number of sofas sold during…

A: Given: The frequency distribution is shown below Mean daily temperature t Frequency 8-12 19…

Q: H0: Ud is greater than or equal to 0 Ha: Ud is less than 0 Decide whether to reject H0 or not.…

A: Introduction: It is required to compare the mean sales of the two sales regions, SW and NE.

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: Hint: The formula for z-score is, Z=X-μσ~N0,1

Q: The following data represent the number of drivers involved in a fatal crash in 2016 in various…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: 5. A realtor is studying the probability that 5 houses will sell the first week they are listed for…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Here is a bivariate data set. X y 60.4 16.7 59.3 -28.7 29.2 110.3 36.2 -12.5 22.5 13.4 31.5 103.6…

A: Solution-: We want to find correlation coefficient =?

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A: From the given information we have following table   Purchased Gum Kept the Money  Total…

Q: from the following table of yearly premiums for policies maturing at quinquenial ages, estimate the…

A:

Q: Fill in the missing value so that the following table represents a probability distribution. x…

A: Missing value=0.4

Q: 8. Find the mean number of cats that are older than 12 years old from a group of 50 cats, if the…

A: given datap( at older than 12 years)=p=0.18sample size, n=50x = No. of cats older than 12 yearsmean…