In a certain class of students, there are 11 boys from Wilmette, 7 girls from Wilmette, 5 boys from Winnetka, 4 girls from Winnetka, 4 boys from Glencoe, and 4 girls from Glencoe. If the teacher calls upon a student to answer a question, what is the probability that the student will be a boy? A) 0.71 B) 0.429 C) 0.571 D) 0,314

Q: can you explain the first few questions aswell

A: Frequency Polygon: A frequency polygon is a graph that displays the distribution of a dataset. In…

Q: The data represent the heights in feet and the number of stories of the tallest buildings in a city.…

A: Given data, X Y X*Y X*X Y*Y 520 34 17680 270400 1156 458 29 13282 209764 841 816 54 44064…

Q: what is the answer to the problem

A: We want to use implicit differentiation to find partial derivatives.

Q: question 5

A: The Specialty Toys Company faces a challenge of deciding what percentage units of a brand new toy…

Q: I need part E and F of this questio

A: The one-sample z-test is used to test whether the mean of a population is greater than, less than,…

Q: Is the answer no or yes for this question?

A: There are 550 students in your graduating class. We need to determine wheather there are at least 3…

Q: I'm confused on which one is it

A: A. Correlation between two variables measure the strength and direction between two variables. It…

Q: I'm confused on how to get the answer to question 5.

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Q: I am confused on this

A: The solution is shown in step-2

Q: Is this for question 2 or 3?

A: The standard deviation is 0.2.

Q: what is the answer for the first question

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Q: side x in simplest radical form 60 300 4

A:

Q: Can someone answer this question CORRECTlY

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Q: can you answer part A of the question please

A: Given, The following equation x2+2x+28=0 can be solved using the complete square method or the…

Q: Thanks for the help! I was also wondering how I would know that the answer would be meaningful?

A: Firstly understand,  Y-intercept :  it is mean value of y when all predictors (x) equals to 0. X=…

Q: I'm confused what's the answer to the question?

A: Given that:  Population mean

Q: what about questions 4-15?

A:

Q: The answer

A:

Q: these ans

A: NoItems Time 1 4.8 1 14.7 1 13.7 1 9.5 1 2.4 1 11.8 2 10.5 2 12 2 14.3 2 16.4…

Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

A:

Q: ot clear to me how did you find questio

A: Given: Mean years of service = 14.88889

Q: can you do part 2 of the question and part 3

A: (ii) The Principal Component Analysis (PCA) is greatly affected by the Spectral Theorem. A…

Q: I'm still not sure how this answer was reached

A:

Q: Could you further explain how you got this?

A: Given data :  n = 4 u = 35000 o = 5000 P(x > 40000) = ?

Q: The second question wasn't answered.

A: Probability is the measure of the chance that an event is likely to happen. It is calculated by…

Q: How do I solve this question?

A: Topic - slope of function To find slope at a point ,take two points on the line and calculate slope…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.