Annette is surveying people in the city about their interest in a new shopping mall. Shefound that 180 peopel or 37.5% of those surveyed do not want the new mall How many people did Annette survey?

Q: den Cosmetics and eärns $500 per week salary plus 4% commission on sales over $2,000. If Sandi sold…

A:

Q: ne student government snack shop sold 32 items this week. For each snack type, what percentage of…

A: To find the percentage of different snacks sold

Q: After a school field trip, Ben surveyed some Complete the table. Preferred Animal at a Zoo Grade…

A: We need to add the values row wise and column wise to get the totals as shown below

Q: At Jeffrey's Swimwear, 50% of the 18 swimsuit styles are bikinis. How many bikini styles are there?…

A: Given  n=18, p=50%=0.50 Number of bikini=np

Q: The state transportation commission counted cars traveling east and west across a toll bridge. 11%…

A:

Q: The spinner below shows 10 equally sized slices. Jina spun the dial 50 times and got the following…

A: Given that:

Q: 4. In a local election, 6344 people voted. That is a 4 % increase over the last election. How many…

A: Let x be the number of people who voted in the last election. It is given that 6344 people voted in…

Q: The 25% spring breakers who drink the least do not drink more than how many pitchers of beer? 2.500…

A:

Q: The lunch choices last Friday were mushroom or pepperoni pizza. The cafeteria made 20 pizzas in all,…

A: Total pizzas made = 20 proportion of Mushroom pizzas = 0.7

Q: d. The Piggy award will given out to the 3% of customers who consume the most calories. What is the…

A: The mean is 2705 and the standard deviation is 521.

Q: Forty percent of the people attending the movie were adults. If 20 adults attended the movie, then…

A:

Q: Adam bought a stock for $ 36.48 on Mar 1st and sold it for $34.20 on Mar 22nd. a. Did he make a…

A:

Q: The United States Environmental Protection Agency6 reports that in 2006, each American generated 4.6…

A: Please find the explanation below. Thank you

Q: Mr. Caffey sold 60 out of 75 painting at an art show. What percent of his paintings did he sell?

A: We can find the required answer as below

Q: jenny said when you round 238 to the nearest 10 you get 240. Sam disagreed and said you get 200 .…

A: Jenny is correct. When we round a number to the nearest 10 the difference between the actual number…

Q: A company has bought 3.6 acres of land out of the 4 acres that it plans to buy. Use a math drawing…

A: Percentage is basically the ratio of the area or the value considered by total area or value…

Q: Mr Han bought some pens. He gave 225 pens to Class 3A and 132 pens to 1 Class 3B. He gave of the…

A: Given that Mr. Han bought some pens . He gave 225 pens to class 3A and 132 pens to class 3B.He gave…

Q: pizza. Of the attendees surveyed, 21 said that sausage pizza was their favorite type of pizza. There…

A: Number of people surveyed= 40  Total attendees= 1600= 40×40

Q: This morning, Tori took a history test. She got 80 out of 80 problems right. What percentage did…

A:

Q: There are 32 students in a class. Nine of those students are women. What percent are men? (round to…

A:

Q: You pick a card at random. 456 7 What is P(less than 7)? Write your answer as a percentage. % Submit

A: We have to find given probability.

Q: Ms. Le surveyed the staff on whether they wanted to win an Olympic gold medal (M) or a Grammy (G)…

A: Introduction :-  Here we want to find, Total number of members surveyed. Conditional probability of…

Q: In a recent survey, 52 said they had a dog, 64 said they had a cat and 25 both pets. How many…

A:

Q: Many students work part-time. This past week, a group of student hours worked as 4, 28, 7, 15, 12…

A:

Q: Last year's freshman class at Big State University totaled 5,307 students. Of those 1,259 received a…

A: Given data  N($3464,$466) If the cost of full tuition was 4300 last year what percentage of students…

Q: Thirteen students took an exam and scored an average of 70%. Two other students took the exam late,…

A: Given data set: Thirteen students took an exam and scored an average of 70% Two other students took…

Q: Brocksden Corporation had 2,700 shirts on January 1st, and it has 765 shirts left by March 31st. How…

A:

Q: 62 69.5 75

A:

Q: U.S. population was 64% Caucasian, 10% African-American, and 10% Hispanic. What percentage of U.S.…

A: Given In a certain year, 89% of all Caucasians in the U.S., 77% of all African-Americans, 77% of all…

Q: (e) Percentage of viewers who are 35 to 54 or prefer videos on a mobile or laptop device. Percentage…

A: Percentage is a ratio expressed as a fraction of 100. The percentage is denoted by the symbol %. The…

Q: Juana took a English ACT exam involving 30 reading and 20 writing questions. She got 80% of the…

A: Given: Number of reading questions=30 Number of writing questions=20 Now, Number of questions she…

Q: There are 750 people at a football game. Out of this number 320 are students. What percent of the…

A: Given there are 750 people at a football game. Out of this number 320 students .

Q: A Tom carried out à survey to find some students' favourite types of holiday. He recorded the…

A: From pie chart  50% prefer activity holidays Which means 1/2 fraction Therefore 1/2 of total prefer…

Q: he art club had an election to select a president. 63 out of the 90 members of the art club Foted in…

A: Total members=90 members who voted=63 percentage of members voted=total members votedtotal members…

Q: N($3,443, $450). If the cost of full tuition was $4,500 last year, what percentage of students who…

A: From provided information, Last year's freshman class at big state university totalled 5,304…

Q: Jamaal recorded the amount of money he spent on snacks and then calculated the following measures:…

A: Given: Jamaal recorded the amount of money he spent on snacks  The measures are as follows: mean:…

Q: Cara's Diner sold 64 milkshakes last week. 16 of the milkshakes had whipped cream on top. What…

A: Cara's Diner sold 64 milkshakes last week. 16 of the milkshakes had whipped cream on top. What…

Q: 7. Raymond got an 85, 88, and 93 on his first three tests. What must he get on his fourth test so…

A:

Q: The SMPT group at UB sells past final exams packages (small and large) for $2 and $3 respectively.…

A: topic - linear equations

Q: What percent of athletes who test positive for the drug are actually using the drug? Answer: 77 28

A: Let us define some events A : an athlete is using the drug. B : an athlete is bkt using the drug. E…

Q: Annette is surveying people in the city about their interest in a new shopping mall. She found that…

A: Let the the number of people Annette surveyed is x Given that 37.5% of those surveyed do not want a…

Q: about 53.6% of the students in the class got an A. a. If 15 students got an A, estimate the number…

A:

Q: and

A:

Q: 2-scores

A: Let , X→N(μ=25 , σ=4) We want to find the Z-scores Z=(X-μ)σ

Q: 21 out of the 25 magazines at the bookstore are women's magazines. What percentage of the magazines…

A: Given21 out of the 25 magazines at the bookstore are women's magazine

Q: In a bag there are 2 red marbles, 3 white marbles and 5 blue marbles. Once a marble selected, it is…

A: Given: Red marbles=2 White marbles=3 Blue marbles=5 Total marbles=10

Q: Mrs. McCallister has 63 star stickers left at the end of the year. She shares these remaining star…

A: It is simple calculation .

Q: 50% of 180 dancers said they prefer hip hop class over tap class. How many dancers prefer hip hop…

A: Given problem is :

Q: While at the Mall of America, Consumer Guide Report surveyed 500 people and asked them to list the…

A:

Q: Shannon ordered a set of beads. She received 80 beads in all. 16 of the beads were green. What…

A: We have given that  Sample size n= 80   , favarable cases x =16

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.