a. What is the distribution of the mean mpg for the sample? b. What is the probability that the mean mpg of the sample will be greater than 32 mpg? c. What is the probability that the mean mpg of the sample will be less than 30 5 mpg?

Q: Illustrate the relationship between the sampling distribution of p and the normal distribution?

A: It is known that, the conservative law of thumb for the sampling distribution of sample proportion…

Q: ple mean within the distribution.

A: samples 1st Score 2nd Score Sample Mean A 1 4 2.5 B 4 1 2.5 C 1 10 5.5 D 10 10 10 E 4 4 4…

Q: In a normal distribution, the ___________ focuses on 50% of the cases instead of the highest and…

A: Out of all probability distributions, the normal distribution is very popular and widely used for…

Q: For any distribution what is the score that separates the highest 10% from the rest called?

A:

Q: Descriptive Statistics extra 1 Valid 10 10 Missing Mode Median Mean Std. Deviation Minimum -1.600…

A: Given: Descriptive statistics

Q: For a negatively sloped distribution with Mode=18 and Median= 15, the mean is probably _____. What…

A: When the tail of the distribution is elongated to the right side, the shape of the distribution is…

Q: 2. Explain the difference between mean and median in a skewed distribution.

A: To explain the difference between mean and median for different types of skewed distribution.

Q: In a sample of 100 individuals, the average height is 170 cm with a standard deviation of 10 cm.…

A: The 95% confidence interval for the population mean height is calculated as:  (170 cm - 1.96 * (10…

Q: find the mean, variance, and standard deviation   Twenty-one percent of U.S. employees who are late…

A: The value of mean is 0.84, which is obtained as follows:

Q: What represents the measure of the spread of the distribution?

A: The standard deviation represents the measure of the spread of the distribution.

Q: What is the distribution of x=21

A: We know that , A discrete distribution is a statistical distribution that shows the probabilities of…

Q: Explain the formula for the variance of the sampling distribution of the mean?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: An unfair coin is flipped 2 times. The probability of getting heads on a single flip is 70%. 1. What…

A:

Q: The smaller the spread of scores around the arithmetic mean....?

A: The standard deviation is a measure of dispersion. It measures the variability in the data. If the…

Q: A fair coin is tossed 60 times. Find the probability that the head appears between 20 and 40 times…

A: X~Bin(n=60, p=0.5) P(20<X<40)= ?

Q: A pharmaceutical company claims that a drug is effective in treating 90% of people having severe…

A:

Q: Find the M.L.E for the population mean in poission distribution and also find variance.....

A:

Q: For a right-skewed distribution, which is greater: the mean or the median? Give a brief but specific…

A: If the distribution is right skewed then the values fall on left of the distribution. The tail on…

Q: 78% of U.S. adults think that political correctness is a problem in America today. You randomly…

A: Given data 78% of U.S adults think that political correctness is a problem in America today you…

Q: McPhilly is conducting a study on the amount of money a customer spends on each visit to the…

A: Note:  Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the…

Q: How will you know by using the mean and median to determine if a distribution is normally…

A:

Q: 1. Multiple Choice: Read each item carefully. Choose the letter of the correct answer and write it…

A: Here use Basic of random values and some normal distribution properties

Q: In a restaurant, the proportion of people who order coffee with their dinner is .8. A simple random…

A: Given, Population proportion,  = 0.8 Sample size, n = 144 Using formula, Standard deviation,

Q: For any distribution, what is the z-score corresponding to the mean?​

A: The z-score of a random variable x is defined as follows: z = (x – µ)/σ. Here, µ and σ are the mean…

Q: The ANOVA procedure is a statistical approach for determining whether or not... Group of answer…

A: The ANOVA procedure is a statistical approach for determining whether or not...

Q: Suppose that the efficacy of a certain drug is 0.48. That is, the drug is effective for 48% of the…

A: Given that,  n = 156, p =0.48 (a)   The Mean of the sampling distribution is,   (b) The Standard…

Q: What is the equation for The standard deviation of the distribution of sample proportions

A: Let p be the population proportion of successes.

Q: 35. Which is true about a set of data that is normally distributed? A. The mean is greater than the…

A: In this case, we need to identify the correct option for the given statement.

Q: 12. Find the variance of normal distribution.

A:

Q: Distribution of Sunday Skates for 2020/2021 Normal: Mean=12.826, SD=2.9002 Relative Frequency 0.3…

A: The Normal distribution is also called as the Gaussian distribution. It is the most common…

Q: Which distribution's height begins low, increases until the middle, and then decreases in a…

A:

Q: deviation 4. About 10% of people in the United States do not wear a seat belt. Suppose we plan to…

A:

Q: What is the relationship between the mean of a population and the mean of its sampling distribution?

A:

Q: What is a skewed distribution?

A:

Q: Sadie deals 5 cards from a standard deck of 52 cards. She would like to deal as many spades as…

A: Given information: A sample of 5 cards is drawn from a standard deck of cards. Thus, The population…

Q: a.True or False:               There will be more dispersion in the sampling distribution of the…

A: Given information- We have given the statement- There will be more dispersion in the sampling…

Q: A. If 75% of high school students are able to pass a stats test, find the mean, variance, and…

A: (A). It is given that 75% of high school students are able to pass a stats test. Thus,

Q: A distribution has a mean of 9, a median of 9, and a mode of 9. What is the shape of this…

A: From the provided information, Mean = 9 Median = 9 Mode = 9