urses/17998/quizzes/119350/take Question 1 Find the standard deviation. Round the final answer to two decimal places. X P(x) 1 1/5 2 2/5 2/5 Question 2 5 p Sunnoso p

Q: x 2 3 4 5 6 7 P(X = x) 0.2 0.1 0.2 0.1 0.1 0.3 Step 3 of 5 :   Find the standard deviation. Round…

A: The probability distribution is given as: x 2 3 4 5 6 7 P(X = x) 0.2 0.1…

Q: Format for the 3 blanks in parentheses (_, _, -) is (n, p, x-value). If you have a 83 or TI-84,…

A: Given: n = 160 p = 0.09 X ~Bin(160, 0.09)

Q: Calcium levels in people are normally distributed with a mean of 9.5 mg dL mg and a standard…

A: The given mean and standard deviation, respectively, are:μ=9.5,σ=0.4 Required is the calcium level,…

Q: A test consists of 230 true or false questions. If the student guesses on each question, what is the…

A:

Q: Scores on a test are normally distributed with a mean of 65 and a standard deviation of 10 find P 80…

A: Given information: Mean=65 standard deviation=10

Q: Maria measures the lengths of 5 cockroaches that she finds at school. Here are her results in…

A: The data on the measurement of lengths of 5 cockroaches is provided as follows:2.5, 1.6, 1.0, 1.6,…

Q: cw2 Calculate the standard deviation of the data shown.  x 13.1 5.7 1.9 20.6 11.1…

A: Standard deviation is a measure of dispersion. It tells how far are the individual data from the…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: Given,mean(μ)=100standard deviation (σ)=15

Q: Get a similar question You can retry this question below A dog of this breed weighs 45 pounds. What…

A: Let X be the random variable the weight of a certain dog breed.Given that,

Q: (b) Find the standard deviation of the ages. Round the answer to at least four decimal places. The…

A: Given the probability distribution table x131415161718P(x)0.10.240.230.280.130.02

Q: Age of Senators The average age of senators in the 108"" Congress was 57.5 years. If the standard…

A: According to the given information, we have Mean = 57.5 Standard deviation = 12.5

Q: Assume the heights of women are normally distributed with a mean of 67.5 inches and a standard…

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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A:

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Given data: Mean = 100 Standard deviation = 15 To find: The indicated IQ score = ?

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Given information Mean = 100 Standard deviation = 15 P(X > x) = 0.65 P(X < x) = 1 – 0.65 =…

Q: Ages of Passenger Cars The average age of passenger train cars is 19.4 years. If the distribution of…

A: From the provided information,The distribution of ages is normal and 7% of the cars are older than…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: GivenMean(μ)=100standard deviation(σ)=15

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Given data,μ=100σ=15P(X<x)=0.99x=?

Q: t? minutes. artile Range (IQR) for time spent at the hot springs. minutes minutes minutes

A: X~N(71,15)

Q: K Find the standard deviation for the given data. Round to one more decimal place than the original…

A: Step 1: Given informationData set: 3,5,6,6,9,1Total number of observations = 6 Step 2: Standard…

Q: Det The population of weights of a particular fruit is normally distributed, with a mean of 554…

A: Given that, mean mu= 554 And standard deviation, sigma= 14 P(X=x)= 0.20

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Mean = 100Standard Deviation = 15Calculating the z-value corresponding to 60th percentile i.e. p =…

Q: Suppose that the speeds of cars travelling on California freeways are normally distributed with a…

A: Normal distribution

Q: All 6 members of a family work. Their hourly wages (in dollars) are the following. 15, 22, 32, 10,…

A: The given data is as follows:15, 22, 32, 10, 35, 36

Q: CH5: A population of scores has u = 126. In this population, a score of X = 138 corresponds to z =…

A:

Q: A test consists of 550 true or false questions. If the student guesses on each question, what is the…

A: Given that there are 550 true or false questions. That is, n=550 and the probability of getting…

Q: miles Suppose that the speeds of cars travelling on California freeways are normally distributed…

A:

Q: The following data are the distances from the workplace (in miles) for the 5 employees of a small…

A: Number of samples (n) = 5 X X2 14 196 12 144 6 36 19 361 9 81

Q: Find the interquartile Range (Q) for both years. Does Q change in the same way as the standard…

A: As number of observations is 20 (even) Q1 = n+14th in ascending order Q3 = 3n+14th in ascending…

Q: units Suppose that the TSH (Thyroid Stimulating Hormone) levels among healthy individuals are…

A: Given that  Mean of TSH level=3.2 unit/ML  We have to find the standard deviation such that 98% have…

Q: A normal population has mean u = 58 and standard deviation o = 8.. What is the 83rd percentile of…

A: Here we need to find the 83rd Percentile of the given normal distribution.

Q: A distribution of values is normal with a mean of 200.9 and a standard deviation of 57.7. Find P83,…

A:

Q: Suppose a population has a mean weight of 180 pounds and a standard deviation of 25 pounds. A sample…

A: We have to find standard error for given data.

Q: miles Suppose that the speeds of cars travelling on California freeways are normally distributed…

A:

Q: Ages of Passenger Cars The average age of passenger train cars is  19.4 years. If the distribution…

A: Given μ=19.4x=22.8

Q: ss the original claim in symbolic form. =69.5 bpm an integer or a decimal. Do not round.) tify the…

A: Population mean μ =69.5 Sample size n =168 Sample mean=70.8

Q: Solve this for me

A: The objective of this question is to calculate the standard deviation of the number of days spent by…

Q: Police Academy Acceptance Exams To qualify for a police academy, applicants are given a test of…

A: Hello. Since your question has multiple, we will solve first question for you. If you want remaining…