CBS news reported that 4% of adult Americans have a food allergy consider selecting 10 adult Americans at random define the variable x as: x= number of people in the sample of 10 that have a food allergy a. p(x<3) b. p(x lesss than or equal to 3) c. p (x greater than or equal to 4) d. p (1 less than or equal to x less than or equal to 3)

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A: couple has 6 children. Jo, Co, are both 10 years old (they were twins), Joey is 8 years old, and…

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Q: A student must have an average​ (the mean) on five tests that is greater than or equal to​ 80% but…

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Q: Let X = b(8,) find E(5+6x) and distribution function.

A: 3) From the given information, X≈b(8, 14) E(X)=8*14=2 Consider, E5+6x=5+6E(X)…

Q: Consider a random sample of n = 11 people who donated blood over the past three months. • The…

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Q: If a sample has a mean of X = 32 with s = 7 and n = 54, find (X- X)2 %3D %3D

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Q: A research center claims that 24% of adults in a certain country would travel into space on a…

A: Given,sample size (n)=1200sample proportion (p^)=0.27population proportion (P)=0.24α=0.01

Q: At the Blood Bank, they know that O+ blood is the most common blood type and that 40% of the people…

A: Given: p=40%=0.40 for O+ (X)p=6% = 0.06 for A- (Y)p=50% = 0.50 for A or B (Z)

Q: Find the z-score corresponding to a score of X = 45 μ = 40 and σ = 20 μ = 40 and σ =10 μ = 40 and σ…

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Q: A sample of data is collected from a group of college students (X ̅ = 112, S_X = 12, N = 58). It is…

A: Here, the population standard deviation is known (σ = 15) and the sample size is large (N = 58).…

Q: A survey of 2690 musicians showed that 361 of them are left-handed. Find a point estimate for p, the…

A: Given: Number of musicians (n)=2690 Number of musicians that are left-handed (x)=361

Q: Let X b(6,) find E(5+6x) and distribution function.

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Assume that human body temperatures are normally distributed with a. A hospital uses 100.6"F as the…

A: Solution: Let X be the human body temperatures are normally distributed with mean 98.23 F and…

Q: For a population with µ=100 and σ=15, find the z-score corresponding to each of the following X…

A: The population has mean µ=100 and standard deviation σ=15. a) For X=105 the z-score is,…

Q: Let r be number of success from the n trials take from a population with proportion of success = P,…

A: Here given  r is no. of success n be the no of trials proportion of success p.

Q: Consider a random sample of n = 22 people who donated blood over the past three months. • The…

A: Given X=X= number of people who have blood type O+ Y=Y= number of people who have blood type A- Z=Z=…

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A: Based on the above information that is given we define the null and alternate hypothesis.

Q: 8. Areal estate company wants to study the relationship between Home price (in OMR 1000) and the…

A: The hypotheses are defined as: H0:B2=0VsH1:B2≠0

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Q: A research center claims that 26​% of adults in a certain country would travel into space on a…

A: a) Assume that p is the true percentage of adults in the country, who would travel into space on a…

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than…

A: From the provided information, The hypotheses can be constructed as: Null hypothesis: H0: p = 0.25…

Q: An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X…

A: For the given data Find the given ( a ) and (b )

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Q: Suppose that fund-raisers at a university call recent graduates to request donations for campus…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: x= number of students  x.     P(x) 0.    O.15 1.     0.35 2.     0.30 3.     0.15 4.     0.05…

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Q: For the relation 3Y= 12 -6 X between X and Y; if standard deviation of X, oz 10 and mean of Y…

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Q: Show that for ν &gt; 2 the variance of the t distributionwith ν degrees of freedom is νν − 2 .…

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Q: Match each Test Situation with the correct Critical Value. For a two-sided test, find only the…

A: Givenσ is unknown n=32,Ha:μ&gt;μ0α=0.10

Q: a) Comment on the relationship between the two variables in case 1 b) Explain what that p-value is…

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Q: 8, find the X value that corresponds to each of the For a population with uu = 48 and oo = following…

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Q: A manufacturer makes thousands of ballpoint pens per day, and estimates that 3% are defective and…

A: Given : A manufacturer makes thousands of ballpoint pens per day, and estimates that 3% are…

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A: Given that T=28 The two way table is,   Computing Engineering Electronics and Instrumentation…

Q: Suppose that we want to show that Virgin Galactic is preferred to Blue Origin. Please formulate the…

A: Here use single proportion z test

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Q: A research center claims that 25% of adults in a certain country would travel into space on a…

A: Givenp^=0.27n=700α=0.05

Q: Find the highest possible value for x in the set          8.2                  7.7       6…

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Q: A research center claims that 26% of adults in a certain country would travel into space on a…

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Q: the Blood Bank, they know that O+ blood is the most common blood type and that 40%40% of the people…

A: Obtain the probability that 4 people in the random sample will have type A- blood.   The probability…

Q: An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X…

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Q: Find the z-score corresponding to a score of X=50. u=60 and o=5 u=45 and o=5 u=40 and o=5 u=37…

A: Where,

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Q: In the distribution with u = 35 and o = 6, a score of X = 50 correspond to z =

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Q: The average jump height of a normal man is said to be 18 inches. 15 normal males are selected and…

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Q: What degrees of freedom would younormally expect a t test to have when N1 = 40 and N2 = 55?

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Q: Use S, to estimate - dæ. Hint S2

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Q: A sample consisting of four pieces of luggage was selected from among the luggage checked at an…

A: Mean is the sum of all the observational value divided by the number of observation. It is also…