A candy company claims that 18​%of its plain candies are​ orange, and a sample of 200 such candies is randomly selected. a. Find the mean and standard deviation for the number of orange candies in such groups of 200. b. A random sample of 200 candies contains 48 orange candies. Is this result​ unusual? Does it seem that the claimed rate of 18​% is​ wrong?

Q: The mean value of land and buildings per acre from a sample of farms is $1500, with a standard…

A: The mean is 1500 and the standard deviation is 300.

Q: 5. Thirty-two percent of adult Internet users have purchased products or services online. For a…

A:

Q: The Welcher Adult Intelligence Test Scale is composed of a number of subtests. On one subtest, the…

A: Answer: Given that:   ‘x’ is Normally distributed with                 Mean  µ =40       standard…

Q: A sample consists of the following n = 7 scores: 5,o,4,5, 1,2,and 4. a. Compute the mean and…

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Q: A sociologist wants to know the proportion of adults with children under the age of 18 that eat…

A:

Q: Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in…

A: The population proportion is 0.12=12100, and a random sample of 196 letters. That is, n=196,p=0.12.

Q: a. Approximately % of healthy adults in this group have body temperatures within 3 standard…

A:

Q: Find the mean, median, and mode for the given data. B. Does it appear that the data is skewed or…

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Q: Of the 500 people who took the civil servant acceptance test in one government agency, the average…

A: We have given that  Mean=67.5 Standard deviation=5.2  Find A) P(55.6<x<61)B) P(x>65)

Q: The proportion of adult women in the United States is approximately 51%. A marketing survey…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: en reported that 42.6 % of workers employed as purchasing managers are males. In a random sample of…

A: The sample proportion is calculated as: p^=xn=70200=0.35

Q: . Defective DVDS From past experience, a company found that in cartons of DVDS, 90% contain no…

A:

Q: . Sheldon owns a mango farm and the weight of his mangoes are normally distributed with an average…

A: here  N = 800 n = 50 μ = 200 gramσ = 15 grams

Q: f. The Z-scores of four students on an algebra test are given. If the mean of the test was 82 and…

A: f. Given information: μ=82σ=8 Let us denote test grade as X. i  z score is -1.4…

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Q: Suppose that 65% of the 310,000 citizens in a county are registered to vote. A non-profit…

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Q: Consider the population consisting of the values (6, 8, 9, 12, 15) a. Find the mean. b. Find the…

A:

Q: One of the following is classifies as interval level: Select one: a. Height of the student O b. Area…

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A: The given weights are 24.1, 30.1, 31.1, 32.1, 28.1, 36.1, and 36.1.

Q: If a population has a mean of 12.8, what is the mean of the sampling distribution? A. less than…

A:

Q: d the mean and standard deviation of the number of red-headed Scots in a randomly selected group of…

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A:

Q: A division-wide aptitude test in Mathematics was conducted to 1000 pupils. The mean of the test is…

A: As per the question we have Mean µ = 58 Standard deviation σ = 12 Minimum score for upper 10% of the…

Q: A. What score must a student get in order to pass? B. How many students would get a score between 77…

A: here  given , mean = 74  and standard deviation  = 7 Y= score of student in exam

Q: 2. Ms. Palac, a sociologist, made a study on the age in years of a woman at the time of her first…

A: Given: Village A: x¯1 = 18.63 and s1 = 5.54, n1=24 Village B: x¯2 = 24.90 and s1 = 5.54, n2=21…

Q: Health officials from DOH who have studied a particular virus say that 50% of all the Filipino…

A:

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.