Question The percentage of girls who like pink in a school is 57%. What is the probability that in a sample of 25 girls, more than 20 girls like pink? Do not write probability in terms of percentage. Assume that the sampling distribution is normal Round your answer to two decimal places. Provide your answer below.

Q: Table 1 X 8 9 10 If 14 4 2

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Q: The median has a sampling distribution. Explain why or why not?

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Q: If instead of 25, 80 male runners are selected for the study, what is the sampling error at 95%…

A: It is given that Sample size n = 80 Sample mean M = 53 Population SD = 5.5 Margin of error E = 0.8…

Q: Suppose 18 people are in a room. What is the probability that there is at least one shared birthday…

A: In theory of combinatorics, the way of selecting r objects from n objects with regard to the order…

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

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Q: Your Production team provides a lot of 1,000 units for final inspection. The sampling plan is n = -…

A: Given n=79 c=2 p=0.05 Hence X follows binomial distribution with probability 0.05.…

Q: 3. A surgical technique is performed on ten patients. You are told there is an 83% chance of…

A: Givenn=10p=0.83

Q: a. What is the distribution of X? X N( 62 11 b. What is the distribution of ? N( c. If a single…

A: Since you have posted a question with multiple subparts, we will solve the first three complete…

Q: You simulate the following 35 random values from a distribution: 7 11 14 15 17 18 19 25 29 30 34 38…

A: For the given sample values,

Q: 15 25 35 45 55 P(x) 0.05 0.35 0.25 0.05

A: Given : x 15 25 35 45 55 P ( x) 0.05 0.35 0.25 0.05

Q: Determine whether each distribution is a probability distribution. Explain your reasoning x 1…

A: The objective of the question is to determine whether the given distribution is a probability…

Q: Q3. In a binomial distribution of k Successes from n trials: Thenumber of different sequences is…

A: (I). In binomial distribution, if there are n number of trials and k number of successes then the…

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: Describe a scenario explaining how to find the mean of a sampling distribution and how to calculate…

A: Solution-: Describe a scenario explaining how to find the mean of a sampling distribution and how to…

Q: Please andswer and explain. Thank you

A: The image shows a dot plot representing the distribution of proportions of students enrolled in…

Q: The final exam grade distribution for all students in the introductory statistics class at a local…

A: The formula to find the mean of the distribution is, EX=∑X·Px

Q: Explain why rolling a die until 3 shows can be modeled by a geometric distribution

A: An experiment consists of rolling a single die.  The event of interest is rolling a 3: this is…

Q: The probability they are Female AND got Over a 3.0?  _____________ use 4 decimals   The…

A: Solution: The tabular information given in the question is:   Over 3.0  2.0 - 3.0  Under 2.0…

Q: Fill in the missing value so that the following table represents a probability distribution. 55 65…

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Q: A study reveals that 82% relationships end in the first two years. A random sample of 100 newly…

A: Introduction: Denote p as the true population proportion of relationships that end in the first two…

Q: Consider the probability that exactly 87 out of 150 CDs will not be defective. Assume the…

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Q: asks women who work full time about the number of children they have. The table below e results.…

A: 4) The total number of families is 200+245+135+56+21+9+6+1=673.

Q: The number of inches of rain that fell during the month of April was recorded over time.  The number…

A: a) Total number of years = 4+13+21+10+2=50 years.  To find probabilities we divide all frequencies…

Q: Suppose multiple births make up about 9% of births per year in a certain region. The table below…

A: Suppose multiple births make up about 9% of births per year in a certain region. The table below…

Q: Describe a scenario and explain finding the mean of a sampling distribution.

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Q: Based on historical data, your manager believes that 28% of the company's orders come trom first-…

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Q: What is the probability that the average attendance at the games in a sample of 50 will be above…

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Q: According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes…

A: (3) Determine whether the normal approximation can be used with the given distribution or not?…

Q: Decide whether the random variable x is discrete or continuous. Explain your reasoning. Let x…

A: Here temperature of thermometer of a person can not count because random variables in the…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.42%. A random sample of 33 of…

A: Given that  Mean percent of childhood ashthma prevalence =2.42%                      =0.0242 Sample…

Q: Make your own example of mean of a sampling distribution. Also, construct the sampling distribution.

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

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.