QUESTION 1 Find the mean, p, for the binomial distribution which has the stated values of n and p. Round your answer to the nearest tenth if necessary. n = 2396; p = 0.63 u= 1513.2 H = 1501.0 u=1504.2 µ= 1509.5

Q: Find the area to the left of z = -1.5 Solution: Dr sh

A: P(Z<-1.5)=?

Q: Find the z-scores for which 95% of the distribution's area lies between -z and z. O-0.96 0.95 O…

A: The area between two boundaries is 95%. In, the remaining percentage 5% (=100%–95%) area, 2.5% area…

Q: Use the zz-score formula, z=x−μσz=x−μσ, and the information below to find the mean, μμ. Round your…

A: Using the z-score formula and the given information, we have to find the mean.

Q: Use the zz-score formula, z=x−μσz=x−μσ, and the information below to find the mean, μμ. Round your…

A:

Q: The Z-score tells you the number of standard deviations away from the mean (and X- can be used to…

A: Given data: Population mean = 144 Population standard deviation = 18 Data value  (X)  = 88 To find:…

Q: The amount of trash generated by US households (in lbs per day) is Normally distributed. You take a…

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Q: Find the standard deviation for the given data n3 64.Ef,x,-441, Efx7= 495917,Ex,= 188 %3D %3D %3D O…

A: Answer: Option d. 88.4503 Explanation: Given values; n=64, ∑fixi=441, ∑fixi2=495917 and ∑xi=188…

Q: A vertical line drawn through a normal distribution at z = -0.60 separates the distribution into two…

A: A standard normal variable z follows normal distribution with mean 0 and standard deviation 1.

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: The graph corresponding to P(80)  is Option C which separate bottom 80% from top 20%. Hence option C…

Q: Find the value of the test statistic z. Round to three decimal places.   The claim is that the…

A: We have to find test statistics.

Q: Use the z-score formula, z = , and the information below to find the mean, μ. Round your answer to…

A: Givenz-score(z)=3.75x=19.6standard deviation(σ)=1.2

Q: Let x=70 be an element in a distribution with mean 65 and standard deviation 5. Which ones of the…

A: A normal distribution is a continuous distribution which has many real life applications. A standard…

Q: The histogram below shows the magnitude of 500 earthquakes occurring near a location in Southern…

A: The histogram helps in understanding the distribution of the data.

Q: Use the z- score formula, z= x−μ/σ , and the information below to find the mean, μ. Round your…

A: The summary data is given. This is one sample z-test. We have to find the population mean.

Q: Given a population of 5000 scores with mean µ = 86 and o= 10. How many scores 1. between 86 and 96?

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Q: The time between calls to a corporate office is exponentially distributed with a mean of 0.2 hours.…

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Q: Suppose that X has a discrete uniform distribution on the integers 0 through 5. Determine the mean,…

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Q: Given Z(-)- 78 and N= 80, then the population standard deviation, a, is approximately O al 0.975 Ob)…

A:

Q: Find the standard deviation for the given data n- 48, Σίx, = 1620 , Σix? = 6640ο , ΣΧ-180 %3D O a.…

A: Given that, n = 48∑fixi=1620∑fixi2=66400∑xi=180

Q: Directions: Find the area of the following z - scores and illustrate it using the normal curve. Be…

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Q: Find the z-scores for which 90% of the distribution's area lies between -z and z. 0 0.9 O -0.645 O…

A: Solution: Here, it is needed to calculate the value of z.

Q: Find the value of t for the t distribution with a sample size of 14 and area in the left tail equal…

A: It is given that the sample size n=14 and area in the left tail is 0.10. That is the level of…

Q: Explain the relationship between the Poisson and exponential distribution.

A: It is an application of probability distribution. It is widely used in statistics.

Q: 2. µ = 47, o = 4, and A = 0.4842 right of the mean %3D

A: Given : μ = 47 σ = 4 A = 0.4842 (Prob.right of the mean)

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Obtain the 7th percentile of the distribution.   The 7thpercentile of the distribution is obtained…

Q: Use the z-score formula, z=x−μσ, and the information below to find the mean, μμ. Round your answer…

A:

Q: Suppose that the heights of adult women in the United States are normally distributed with a mean of…

A:

Q: At a polling station, the amount of time it takes a given voter to cast their vote after arriving at…

A: Solution: Let Y be the amount of of time it takes each voter to cast their vote is exponential…

Q: Find the Z-score if X = 23, 17, o = 2.5 Write the Z-score rounded to 2 decimal places.

A: Given X=23 Mu= 17 σ=2.5

Q: Find the missing values ANOVA Source of Variation Between Groups Within Groups Total SS 1319.822 a…

A:

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Given data mean=69.0 inches standard deviation=2.8 inches x=79.7 inches

Q: Given a normal distribution with u = 35 and o = 8, find: %3D the value of x that has 80% of the…

A: Solution

Q: Illustration 17.10. Is it possible to have a binomial distribution with=6 and o-3?

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Q: Use the z-score formula, and the information below to find the mean, μ. Round your answer to one…

A: We know that z=x-μσ Given z=1.25, x=24.2 and σ=5.2 ⇒z=x-μσ⇒μ=x-zσ⇒μ=24.2-1.255.2        =17.7

Q: Find t0.69t0.69 for TT distribution with 8282 degrees of freedom. t0.69=t0.69= (Round the answer to…

A: We need to find t0.69 for T distribution with 82 degrees of freedom.

Q: Use the formula to find the standard error of the distribution of differences in sample means, I¡ –…

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Q: Find the value of t0.025 for a t-distribution with 14 degrees of freedom. Round your answer to three…

A: The degrees of freedom is 14, and the level of significance is 0.025.

Q: A normal distribution has mean u = 63 and standard deviation o =20. Find and interpret the z-score…

A:

Q: The shape of a given population distribution is normal with a mean of u = 85 and a standard…

A: Answer: from the given data, Mean μ = 85 Standard deviation σ = 6.5 The distribution is normal

Q: The lifetimes of certain flies are approximately normally distributed with mean μ=1530 minutes and…

A: Given that, mean =  = 1530 standard deviation =  = 59 Using standard normal table, P(Z < z) =6 %…

Q: Ho;p=0.77 H1;p>077 your sample consists of 136 subjects, with 100 sucesses calculate the t…

A: Given: n= 136 ,x= 100 p= 0.77 ,significance level(∝)= 0.01 p̂= 100 / 136 =define hypothesis;- Null…

Q: A student who took Stat 2 last semester learns that their overall course score was at the 85th…

A: