e Home Page Chamberlain Univer... 1.25Personal Computer... Free ethical and leg... Use the normal distribution to compute probability with technology Excel Question A worn, poorly set-up machine is observed to produce components whose length X follows a normal distribution with mean 14 centimeters and variance 9. Calculate the probability that a component is at least 12 centimeters long. Round your answer to four decimal places. Provide your answer below: Next Previous 8:18 AM ) a e 10/5/201 O II O

Q: Examine the sample data. a. Construct a stem-and-leaf plot to assess whether the data are from an…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The data set has size 60. Approximately how many observations lie within three standard deviations…

A: From the empirical rule

Q: D.elze t,30 PIZCH.3o

A: Given information- We have given the standard normal distribution. P (z < -1.30) We have to find…

Q: The mean of a data set is 20 and the standard deviation is 2. What percentage of data value will…

A: Given  Mean=20, sigma=2 P(12<X<28)= ?

Q: Review normal distributions.  Review Ti-84 keystrokes for normal distributions.  Find the indicated…

A:

Q: With a normal curve, the probability of a score occurring above the mean is _____. a.)  0 b.)  0.5…

A: GivenThe probability of score occurring above the mean

Q: Find the area of iPpupis AU -0.45 0 2.11 A. 0.3438 В. 0.6562 С. 1.3090 O D. 0.3090 loct vour answer.

A:

Q: A normal distribution is informally described as a probability distribution that is "bell-shaped"…

A:

Q: The marital status distribution of the U.S. male population, ages 15 and older, is shown below:…

A: The test is to check whether this age group of males fits the distribution of the adult population…

Q: Consider the prices have a Normal Distribution. Price mean = 75 Price S.D = 8 What is the…

A:

Q: E. Oliver Iolqpod nadi aaol olioClto ogo 8. Choose the statement(s) which is (are) true of a normal…

A: We have to find which statements are true..

Q: In Country A, the population mean height for 3-year-old boys is 37 inches. Suppose a random sample…

A: given data n = 15x¯ =36.2s = 3α = 0.0claim : μ ≠ 37

Q: Assume that the heights of women are normaly distributed with a mean of 63.6 inches and a standard…

A: Given,   Mean = 63.6 Standard deviation = 2.5 Sample size = 100   The objective is to find the…

Q: Five students took a personality test. Their deviation scores were –4, +3, +1, –2, +2. Assuming that…

A: We have given the following deviation scores were –4, +3, +1, –2, +2 coming from a normal…

Q: 8. A set of data is normally distributed with a mean of 100 and variance of 25. Approximately what…

A: Answer: 8) From the given data, Let X be the set of data which is normally distributed with Mean μ =…

Q: Use a standard normal table to find the z-score that corresponds to the 80" percentile. Click to…

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: You have a Normal distribution with Mean = 54 and Standard Deviation = 7. Label the axis for this…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

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

A: Use the frequency distribution to construct a histogram. Weight (g) Frequency 6.000-6.049 3…

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the standard…

A:

Q: A given data set is normally distributed and has a mean of 25 and a standard deviation of 3. What…

A: From the provided information, Mean (µ) = 25 Standard deviation (σ) = 3

Q: H=34, o=4.5, the score is 2.5 standard deviations above the mean

A: Suppose the variable of interest is x.The mean is and the standard deviation is .

Q: rovide an appropriate response. Use the Standard Normal Table to find the probability. An airline…

A:

Q: What percent of the observations in a distribution are LESS than the third quartile? O a. 25% O b.…

A: To find :  Distribution  are less than the third  quartile.

Q: 1. A Statistics class of 50 students has a mean test score of 38 with standard deviation of 5. a.…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: The empirical rule relates the standard deviation of a population to the probability of where a data…

A:

Q: The height (in inches) of a random sample of players in NCAA Division 1 basketball teams is shown to…

A: Given: The height (in inches) of a random sample of players in NCAA Division 1 basketball teams.

Q: The monthly rents for studio apartments in a certain city have a mean of $1,020 and a standard…

A: Given that  The monthly rents for studio appo1intments in certain city has a mean $1,020 Mean (μ) =…

Q: What symbol is used for the standard deviation of a population? O a. X-bar O b.H O C. S O d. o

A: Standard deviation: The positive square root of the mean square of the deviations taken from the…

Q: This histogram shows the heights of 20 students in a statistics class. Explain why it is not…

A: The answer is A because the histogram shows a bimodal distribution and it has two distinct peaks,…

Q: c. mean is 1 and the standard deviation is 0. O d. mean and the standard deviation can have any…

A: Given, standard normal probability distribution.

Q: 5/20 Question 3 of 9, Step 2 of 2 Correct Determine whether the normal distribution can be used to…

A:

Q: the mean with the value of _____ if it is standardized. a.

A: Here   X ~N( mean  , variance)  if it standardized  that   z = (x -mean )/sd   ~ N(0,1)

Q: Provide an appropriate response. Use the Standard Normal Table to find the probability. IQ test…

A: Let X be the IQ scores  from normal distribution with mean (μ) = 105, standard deviation (σ) = 11…

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

A: Suppose a random variable X, defines the reading on thermometers.

Q: Assume that thermometer readings are normally distributed with a mean of 0°C and a standard…

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Q: What graphs can help us identify a normal distribution? a. Dotplot b. Histogram c. Boxplot d.…

A: From the above data  What graphs can help us identify a normal distribution Histogram Normal…

Q: 6TEE Lesson 94 Cerify Mode Questio C Chegg Search O Course Hero + C.0 A…

A: We want find above value.

Q: The average production cost for major movies is 65 million dollars and the standard deviation is 22…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: A population has a mean u = 90 and a standard deviation o = 30. Find the mean and standard deviation…

A: We have given that the population has a mean 90 and  a standard deviation 30.

Q: A. O Plot B Plot A plots for three data sets are shown below. Which plot indicates that the data are…

A: We have to choose the graph whose shows approximately normal distribution:

Q: ssume that the heights of women are normally distributed with a mean of 63 inches and a standard…

A: The formula for the z score is,  The probabilities is computed using standard normal table.

Q: Mean St. Dev. Distribution Males 23.5 in. 1.1 in. Normal Females 22.7 in. 1.0 in. Normal Use the…

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Q: Beef Consumption. According to Food Consumption, Prices, and Expenditures, published by the U.S.…

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Q: 4. The monthly utility bills in a city are normally distributed with a mean of $100 and a standard…

A: (4) Obtain the standard z-score for the random variable X equals 90. The standard z-score for the…

Q: Assume that the heights of women are normally distributed with a mean of 63.6 inches and a standard…

A: Obtain the value of the Z-score for the sample mean of the random variable equals 63.0 inches. The…