About 42% of a population are of a particular ethnic group. 230 people are randomly selected from this population. Round all answers to 3 decimal places. Convert the percentage of the population to a decimal: p:

Q: Find a z chart number for 88.1%

A: A z chart number is to be obtained for the value of 88.1% . The percentage value can be expressed as…

Q: A food stall sells hotdogs at $5.90 each and burgers at $11.90 each. Each customer can choose to add…

A:

Q: Find the IQR for the average of 15 cities. Q1 = ppm Q3 = ppm IQR: ppm

A:

Q: 48% of the students who applied received a scholarship.   If 408 students received a scholarship,…

A: 48% of the students who applied received a scholarship. If 408 students received a scholarship,…

Q: Kiet Ma sells refrigerators.  He carries 3 models.  Price and monthly sales for each model are…

A:

Q: 38% of what number is 570

A: The problem is asking us to find a number such that 38% of that number is equal to 570. We can…

Q: Determine the grade of this student given the assignment grade and weighted percentages. Round the…

A:

Q: Find the IQR for the average of 10 cities. Q1 =  ppm Q3 =  ppm IQR:  ppm

A:

Q: O O 3. Researchers gave one group of people pills containing Vitamin C to take every day and gave…

A: In graph : There are two groups : By seeing graph , we can notice : Took vitamin c : Total= 8000…

Q: Average speed on a freeway is  80  mph.   Among all vehicles 65% drive 8 miles above the speed limit…

A: Average speed on a freeway is 80 mph.  Among all vehicles 65% drive 8 miles above the speed limit of…

Q: Find A%=D? C. る-9

A: Given that angle b=45°  and side C=50m It is required to find the angles a and c  and the sides A…

Q: curtis threw 15 darts at a dartboard. 40% of his darts hit the bullseye. how many darts did not hit…

A: Total number of darts thrown = 15 40% hit the bullseye, we need to find how many darts did not hit…

Q: 4% as a decimal

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Q: A basketball player made 68% of the 25 shots he took. How many shots did he make?

A:

Q: Choose the correct value for K: Round to the tenth place.   A. 74.8 B. 27.1 C. 59.7 D. 56.4

A: To find the value of K

Q: %

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Q: 15% of what number is 84

A: Let x be the required number

Q: 2) Find the area. 12 60%

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Q: Find 148.7% of 9.Round to the nearest hundreath

A: * Find 148.7% of 9.

Q: Final Grade An instructor gives four 1-hour exams and one final exam, which counts as three 1-hour…

A: Given,a student received 61,78,96, and 88 on the 1-hour examsand 85 on the final exam.

Q: 70% of what number is 224?

A: The objective is to find 70% of what number is 224. Let x be the required number.

Q: What number is 253% of 2,500

A:

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.