A test has a mean score of 150 and a standard deviation of 12. Soores are normaly distributed. What proportion of test takers scores between 133 and 1647 OA 3012 OB. 0437 OC. 7977 OD. 0422 OE B012

Q: A tourist has a pamphlet that contains the following list of taxi fares for various distance. How…

A: Given:- n = 4 Formula Used, The equation of the regression line is:- Y= a+bX Where b is the slope…

Q: a delis is selling turkey for $2.35 per 500g and chicken for 2.10 per pound. which luncheon meat is…

A: Delis Rate:  500 grams Turkey for $ 2.35  1 pound Chicken for $ 2.10

Q: You need to purchase a cover for this pool. A company sells covers for $2.25 per square foot. Based…

A:

Q: how to calculate the margin of error? I was clear and said to provide step by step solutions

A: The sample size is 20, the sample standard deviation is 118.023 and the confidence level is 95%.

Q: A tourist traveling from Brazil to the United States exchanges R$700 (Brazilian Real) for $296.40…

A:

Q: Ahmed goes for workout (exercise) is a gym and loses 310 calories of energy daily. If he loses 220…

A:

Q: You are going on a 1,940-mile trip, and your car gets about 28 miles per gallon. Gas prices along…

A: G1: Distance travelled = 1940 miles  G2: Car average during the trip= 28miles per gallon G3: Cost of…

Q: You purchase 8 gal of paint and 3 brushes for $152.50. The next day you purchase 6 gal of paint and…

A: To find the cost of each gallon of paint and cost of each brush

Q: 4. We have the temperatures in several cities of Spain: Aviles (11°C), Barcelona (17°C), Madrid…

A: The given data is 11,17,21,18,18,19,20

Q: I have 6.3 pints of blue and white paint.  2/5 of the paint is white.  The rest is blue.  How many…

A:

Q: The offer price for Jumbo tomato ketchup for 6 bottles of 340 gm each is 0.950 OMR. What is the…

A:

Q: A student earns a semester GPA of 2.8 for 12 semester hours.  Prior to this the student had a GPA of…

A: Overall Mean: The value obtained by adding of sum of all the products of sample size with respect to…

Q: the girl has 5 apples she eats 2 how many apples dose she have left ?

A:

Q: The local theater has an area of 2,121 square feet. At the last banquet, the fire department…

A: The area is 2121 square feet and the population density is 0.1428 people per square foot. Now,…

Q: Linda had $20. She bought 2 pairs of earrings. The total for the earrings including tax was $16.78.…

A: We can find the answer as below

Q: Parents receive printed copies of learning modules 30 6 25 32 16 30 19 117 41

A: Given  Parents received printed copies of learning modules 30 6 25 0 32 16 30 19 117 41

Q: The list price, that means the price without a discount, for a new iPad is $650. The local Apple…

A: 20% of iPad price $650 is=650100×20=$130

Q: You've purchased 4 gallons of milk for $9.96. How much would 1.5 liters of milk cost? $

A:

Q: Harik bought 5 meters of ribbon for $4. Use the drop-down menus to complete the sentence. The ribbon…

A: Sentence was not matching to the given drop down words, I have given detailed solution with…

Q: Espa The Ward family and the Choi family each used their sprinklers last summer. The water output…

A:

Q: 3 pounds of peanuts for $7.50. How much is the cost per pound

A: given  3 pounds for $7.503pounds=$7.50

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.