(g) If a fawn weighs 14 kilograms, would you say it is an unusually small animal? Explain using z values and the normal distribution curve. (h) If a fawn is unusually large, would you say that the z value for the weight of the fawn will be close to 0, -2, or 3? Explain.

Q: above the population mean a raw score is. Then what z-score value separates the highest 70% of the…

A: Given that  Z-score is a measure of how many standard deviations below or above the population mean…

Q: Calculating the z-score is the last step when evaluating a normal distribution curve. O True O False

A: The given statement is: Calculating the z-score is the last step when evaluating a normal…

Q: ribution. Wha

A: The mean is given , μ=20 days. The variance is given , σ2=5 days. Therefore, the standard deviation…

Q: Josh is 11 years old and is 54 inches tall.  If heights of 11-year-olds are from a Normal…

A: We can find the z score as below

Q: What is the shape of the graph of normal distribution? 2. In an examination, the mean score of 18…

A: 1): A normal distribution comes with a perfectly symmetrical shape or we can say that bell shape…

Q: 13) What is the mean of the normal distribution shown here? 0.3 0.2 0.1 -2 2 3 8

A: Given that ; A standard normal curve is given here, by using the concept of standard normal…

Q: Attendance at a university's basketball games follows a normal distribution with mean μ = 8000 and…

A: If a random variable x has a distribution with mean µ and standard deviation σ, then the z-score is…

Q: Which of the following  is not a property of normal-distribution?   a. Mean, median and mode are…

A: We have to find incorrect statement.

Q: 3. Why is a t-distribution generally more variable than a normal distribution?

A: The probability distributions that needs to be applied in the dataset depends on the…

Q: In a normal distribution A. Values at the tail ends are less likely to occur than the mean. B. A…

A: We want to find the true statement about normal distribution,

Q: Use the standand normal distribution table to determine the percent of data less than z=0.9. The…

A: Given that  Z follows standard normal distribution with mean zero and standard deviation one  Find…

Q: A pharmaceutical manufacturer is concerned about the impurity concentration in batches of drug and…

A:

Q: 2. In a normal distribution, percent of the data are above the mean, and percent of the data are…

A: As per empirical formula 68% of data falls within the one standard deviation. 95% fall within two…

Q: he psychology department is gradually changing its curriculum by increasing the number of online…

A: a. If the final exam scores for the population have a standard deviation of σ = 12, does the sample…

Q: For a normal distribution,  a. What z-score separates the highest 10% from the rest of the scores?…

A: a) The required z-score that separates the highest 10% from the rest of the scores can be obtained…

Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD…

A: Given data,μ=1800σ=65

Q: For a normal distribution: a. What z-score separates the highest 35% from the rest of the scores? b.…

A:

Q: b)Does vigorous exercise affect concentration? In general, the time needed for people to complete a…

A:

Q: The relative frequency histogram represents the length of phone calls on​ George's cell phone during…

A: A histogram is a visual representation of continuous data.

Q: Use the frequency distribution to construct a histogram. Does the histogram appear to depict data…

A: Histogram: The step-by-step procedure to draw a histogram using EXCEL software is given below: Open…

Q: The psychology department is gradually changing its curriculum by increasing the number of online…

A: Given Information: μ=71, M=76, n=36, σ=1 Significance level = 0.05 To determine whether the sample…

Q: A population forms a normal distribution with a mean of 85 and SD of 24. what is the chance of…

A: Solution: Let X be the random variable. From the given information, X follows normal distribution…

Q: To illustrate a normal distribution, roll a pair of dice 30 times and graph the results. You are…

A:

Q: Could the graph represent a variable with a normal distribution? Explain your reasoning. Select the…

A: To determine whether the graph represents a variable with normal distribution. Properties of normal…

Q: Use the normal distribution to the right to answer the questions.​(a) What percent of the scores are…

A: a) Given that μ=19.5σ=5.4 The percent of the scores are less than​ 19 is, PX<19=PX-μσ<19-μσ…

Q: private consumption as a share of GDP is a random quantity that follows a roughly normal…

A: Given information Normal Distribution N(0.71,0.03) Mean (µ) = 0.71 Standard deviation (σ) = 0.03 X…

Q: What does a distribution represent?

A: A distribution nothing but function that represent the possible values for a variable and how often…

Q: As sample size decreases, the sampling distribution of the mean:

A: Note that as the sample size increases, the standard deviation of the sample means decreases.

Q: what would be the probability that you would select any one individual who falls between +1 and -2…

A: Given that,

Q: In a normal distribution, what z-score cuts off the top 95% of the distribution? z = 1.65…

A: Given Top 95 % distribution

Q: Calculating the Z-score is the last step when evaluating a normal distribution curve. O True O False

A: Normal distribution: 1. It is bell-shaped is a symmetrical continuous probability distribution  2.…

Q: A nutritionist asks a client to record the number of calories he consumes each day for 6 months. The…

A:

Q: The sampling distribution of Pis closely related to the normal distribution. True or False

A: Here we will use Basics of sampling distribution

Q: What percent of the total population is found between the mean and the z-score given? (Use the…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: The psychology department is gradually changing its curriculum by increasing the number of online…

A: Denote μ as the population mean score.   It is needed to check, whether the new online course is…

Q: For a normal distribution  What z-score separates the highest 10% from the rest of the scores?…

A:

Q: A. About what percent of the x values from a normal distribution lie within two standard deviations…

A:

Q: Use the standand normal distribution table to determine the percent of data between z= -1.91 and z…

A:

Q: The numbers of pages in the books in a library follow a normal distribution. If the mean number of…

A:

Q: Scores on the SAT form a normal distribution with a mean of µ = 500 with σ = 100. If the state…

A: Let X be the sat score in the state college. X follows normal distribution that has mean µ = 500 and…

Q: Which measure of central tendency better describes the weight of the candy? The mean weight is x =]…

A: The descriptive analysis is conducted using EXCEL. The software procedure is given below: Enter the…

Q: 5. Draw a normal distribution curve with a mean of 72 and a standard deviation of 5. Make sure to…

A: We have to draw a normal distribution with mean 72 and standard deviation 5 and also we have to…

Q: In a job fair, 5,000 applicants applied for a job. Their mean age was found to be 28 with a standard…

A:

Q: In a normal distribution, what z-score cuts off the top 15% of the distribution?

A: We will use Standard Normal table to determine the required z-score.

Q: The psychology department is gradually changing its curriculum by increasing the number of online…

A: Given, M = 76 μ = 71 n = 36

Q: n a normal distribution, what percent of scores lie between the mean and a z-score of +1.00?.

A: Let, X be a random variable which follows Normal distribution. So,  Mean(μ) = 0 Standard…

Q: 1. For a normal distribution, find the percent of scores that lie between the scores having z values…

A:

Q: How does the shape of a t-distribution compare with the normal distribution? How does the shape of a…

A: The t-distribution has more scores in its tails than the normal distribution It is slightly…

Q: - Sample Size. How does the sample size affect how close to normal a distribution of either sample…

A: As the sample size increases, the sampling distribution of sample mean and sample proportion close…

Q: Mean, Median, Mode

A: