Find the​ z-score that has 69.5​% of the​ distribution's area to its right. The​ z-score is nothing. ​(Round to two decimal places as​ needed.)

Q: Suppose x has a distribution with μ = 61 and σ = 15. Find P(57 ≤ x ≤ 62). (Round your answer to four…

A: Note:Hey there! Thank you for your question. However, you have missed to mention the name of the…

Q: Compared to the F distribution, the t distribution has?

A: T-test is used to compare the means of two populations. And F-test is used to compare two population…

Q: Suppose x has a distribution with ? = 80 and ? = 8. Find P(76 ≤ x ≤ 81). (Round your answer to four…

A: Given problem Given that   Mean = 80 Standard deviation = 8  P( 76 ≤ x ≤ 81 ) = ?

Q: d) Due to the symmetry of the normal distribution we know that P(X > 28) = P(X < ).

A: GivenMean(μ)=44standard deviation(σ)=8Let "X" be the length(in cm) of aneel

Q: Suppose x has a distribution with μ = 88 and σ = 4. Find P(84 ≤ x ≤ 89). (Round your answer to four…

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Q: For a distribution the mean is 10, variance is 16, y, is +1 and B, = 4. Obtain the first four raw…

A:

Q: Suppose x has a distribution with ? = 78 and ? = 8.   Find P(74 ≤ x ≤ 79). (Round your answer to…

A: We have given that.   X~N( μ , ?^2 )   μ =78 , ? =8   Z-score =( x - μ )/?

Q: Given a normal distribution with µ= 30 and o =7, find (a) the normal curve area to the right of x =…

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Q: For a normal distribution, identify the z-score location that would seperate the distribution into…

A: Given information a) 20% in the tail on the right-hand side means P (Z &gt; z) = 0.20 P (Z &lt; z) =…

Q: For a normal distribution with m= 70 and s = 10, what is the minimum score necessary to be in the…

A: It is given that the for a normal distribution with m= 70 and s = 10. X~N(70,102) We have to find…

Q: Create a 95% CI on the mean difference between the following before & after scores of systolic blood…

A: We have the data of before and after scores of systolic blood pressure of six subjects after doses…

Q: Find the Mean In a normal distribution, find μ when σ is 6 and 4.85% of the area lies to the left of…

A: Let X be the random variable from normal distribution with mean μ and standard deviation (σ) = 6…

Q: (b) If the distribution is really N(5.43,0.54), what proportion of observations would be less than…

A:

Q: Under what circumstances do you use the Student's t Distribution when calculating the Margin of…

A: The t-distribution is used when the value of population standard deciation is not known. One should…

Q: For a normal distribution, find the z-score that separates the distribution as follows: 1. Separate…

A: For the given data Find Z score that separates the distribution

Q: If the area to the left of x in a normal distribution is 0.842, what is the area to the right of x?…

A:

Q: If the area to the left of æ in a normal distribution is 0.719, what is the area to the right of æ?…

A: We know that that is of the normal distribution is nothing but its probability value. For any…

Q: the area to the left of X in a normal distribution is 0.733, what is the area to the right of X?…

A: Given query is to find the are of the distribution.

Q: In an certain species of newt, offspring are born either green or black. Suppose that 45% of these…

A: Given, 45% of these newts are born green. A random sample of size 167.

Q: If the area to the left of x in a normal distribution is 0.589, what is the area to the right of x?…

A: Explanation for this is as follows; The shaded area in the following graph indicates the area…

Q: (a) Construct a binomial distribution using n=6 and p= 0.37. P(x) 1 4 6. (Round to the nearest…

A: Given : Probability of success,p = 0.37

Q: For a normal distribution with μμ = 52 and σσ = 5.1, determine P(41.902 < x < 56.947). P(41.902 <…

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Q: Given a normal distribution with m = 82 and s^2 = 36, find the probability that X assumes a value…

A: Given that X follows N(mean = 82, SD = 6), then Z = (X - mean)/SD follows N(0,1)

Q: 4. Find the z value to the left of the mean so that a. 98.87% of the area under the distribution…

A: We know that,  Z From the standard normal distribution.  i.e, N(0, 1)  Then,  a.)98.87% of the area…

Q: Suppose x has a distribution with ? = 84 and ? = 8 Find P(80 ≤ x ≤ 85). (Round your answer to four…

A: Given: Let  μ=84, where μ is the population meanσ=8, where σ is the population standard deviation

Q: A vertical line is drawn through a normal distribution at z = -1.20. What proportion of the…

A:

Q: Find the Mean In a normal distribution, find μ when σ is 8 and 7.35% of the area lies to the left of…

A: Given,standard deviation(σ)=8

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 7.  Do…

A: Given data is 4,8,5,7,7,4,8,5,4,4,6sample size(n)=11

Q: For a normal distribution, find the z-score location that divides the distribution as follows:…

A: 1. Software Procedure: Step-by-step procedure to obtain the z-score separate the middle 70%using the…

Q: What are the degrees of freedom for Student's t distribution when the sample size is 24?   d.f. =

A: According to the given information, we have Student's t distribution is used. Sample size, n = 24

Q: You have a uniform distribution whose lowest value is a 2 and highest value is at 6. Find P(2.3 < X<…

A: Let X be the random variable that follows an uniform distribution with parameters a=2 and b=6. The…

Q: Consider the normal distribution IQs with a mean of 100 and a S.D of 16. What percentage of IQs are:…

A: Given,mean(μ)=100standard deviation(σ)=16

Q: A biologist believes the number of pups per wolf dens in southwestern United States is now less than…

A:

Q: Given a normal distribution with μ = 50 and σ = 10, find a. the value of x that has 70% of the…

A:

Q: he waiting time in line at an ice cream shop has a uniform distribution between 0 and 9 minutes.…

A: Given: Lower limit (a) = 0 Upper limit (b) = 9 Let X ~ U (0, 9)

Q: Find the z-score that has 93.82% of the distribution's area to its right.     1.54     -0.155…

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Q: 47. Find the z value to the left of the mean so that a. 98.87% of the area under the distribution…

A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…

Q: Which proportion of a normal distribution is located between the mean and z = +1.40? 0.9192 0.0808…

A: Given : z₁=mean = 0 z₂=1.40

Q: Suppose x has a distribution with ? = 76 and ? = 8. Find P(72 ≤ x ≤ 77). (Round your answer to four…

A: In question, Given that, X has distribution with mean 76 and standard deviation of 8. Then we'll…

Q: Find the mean, μ, for the binomial distribution which has the stated values of n and p. Round answer…

A: In the statistics theory, the Binomial distribution is a two-parameter distribution and it is a…

Q: Z score location of a vertical line that separates a normal distribution as described in each of the…

A: z-scores can be calculated as: a. 15% in the tail on the right. P (Z&gt;z) =0.15            z=φ…

Q: For a normal distribution, identify the z-score location that would separate the distribution into…

A: The z-score can be obtained as; (a) 20% in the tail on the right-hand side This indicates that there…

Q: Suppose x has a distribution with μ = 61 and σ = 15. (b) If the original x distribution is normal,…

A: Given:x has a distribution with μ = 61 and σ = 15.Given sample size = n = 16

Q: If the area to the left of xx in a normal distribution is 0.446, what is the area to the right of…

A: The total area of the curve is 1.

Q: Please answer d, e, f

A: The degrees of freedom, df = n – 1 = 16 – 1 = 15d. To the right of 2.583,The p-value is obtained…

Q: How often was it above - 3°C at noon in Ajax last winter?

A: The noon-day temperature (in °C) in Ajax last winter can be represented by the normal distribution…

Q: The distribution used for small sample size (n<30) changes based on the size of the sample. True…

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Q: For each z score that follows, find the percentage of scores at that value or higher in the normal…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.