What was the most time a student in this class could have spent watching TV that day?

Q: Based on the vertical bar chart below, in which of the following months were just over 10% of…

A: The graph with information is shown below.I have used orange colour to differentiate less than 10%…

Q: If people in the United States started eating more chocolate, can we expect more Nobel prizes to be…

A: Correlation quantifies the strength of relationship between 2 variables. The value of correlation…

Q: In response to the city's Clean and Green Campaign, the Boy scout and Girl Scout of Barangay Jolo…

A:

Q: A stadium has 250 people in it at noon. If 35 people per minute enter the stadium, how many are in…

A: Number of people at noon, or in terms of  slope intercept form, y intercept=250 Rate at which people…

Q: MAY I know how to get the final answer?

A: It was stated that X1,X2,..., Xn are independent random variables having exponential distributions…

Q: How many patients were lost to contact?

A: The given table shows the year of death, year of last contact, time and number at risk, number of…

Q: If you lived in a typical U.S. city of 500,000, how many people would you expect to die of a stroke…

A: Introduction: The total number of deaths due to the causes listed in Table 7.5 is calculated below:…

Q: How many adults were questioned? What percentage of the adults questioned had 5 children?

A: The given bar graph represents the number of children the adults have in their families. From the…

Q: A book sold 36,700 copies in its first month of realease.suppose the represents 7.8% of the number…

A: If you take your current # of books and divide it by the percentage, that will give you the total…

Q: The number of people initially infected is  then (round to the nearest whole number)

A: We have to find out number of people intially infected

Q: The customers of Rhythm Time, an online music service, downloaded 439,229 songs this year. That…

A: the answer is 131769 songs

Q: A woman who never becomes pregnant may have as many as cycles between menarche and menopause. O 400…

A:

Q: percent of those that play FIFA also play DOTA?

A: Here use Bayes rule

Q: At Roxbury Community College, 7 out of every 10 students take Introduction to Statistics. If there…

A: Given that, At some college 7 out of every 10 students take introduction to statistics. Formula:…

Q: In a newspaper, it was reported that yearly robberies in Springfield were down 50% to 93 in 2013…

A: Let there were x robberies in 2012 in Springfield. Given that the robberies went down by 50% So in…

Q: If you count from 10 to 120, how many 5's will you find along the way?

A:

Q: What was the population in 1925?

A: We know with a very good accuracy that the current world population is in the range of 7,325,996,709…

Q: If the labour force participation rate is 45%, how many are in the labour force?

A: Labour Force= 40 million * (45/100) =18 million

Q: How large was the audience of each of the four companies at the end of that year? Microsoft Time…

A: Here by solving given equation retrieve value of x ,y,z and u

Q: In his may 17, 2010 OP-ed column in THE NEW YORK TIMES Bob herbert noted that the dropout rate for…

A: In order to check whether the number one is reasonable or not, take the reference from the site to…

Q: At Roxbury Community College, 7 out of every 10 students take introduction to Statistics. If there…

A: given data  N = 2500 students total in college  7 out of every 10 students take introduction to…

Q: A new company president is said to have caused a company to do a 180 before the new president the…

A: It was given that, the earlier president was losing 10,000 per month.

Q: For what is the phrase “number of failures” an abbreviation?

A: The abbreviation for the phrase “number of failures” is the number of members from the sample which…

Q: On four exams,Wallace's grades were 79,93,91 and 68. what grade must he obtain on his fifth exam to…

A: Let Wallace's grade in the 5th exam be x.

Q: If a girl saved P25 on the first day, P28 the second day, P31 the third day, and so on, how many…

A:

Q: A hospital discharged 2,895 patients in January. If 3% developed a hospital-based infection, how…

A: Given, No of patients discharged in January=2895 3% developed a hospital-based infection No of…

Q: An immunologist is interested in whether the number of symptoms of the flu a person first exhibits…

A: The test is to check whether the number of symptoms of the flu a person first exhibits is related to…

Q: (part 3) If the "average" number of persons in each car on the road is 1.38 persons, which average…

A: If the "average" number of persons in each car on the road is 1.38 persons

Q: How many hits must Sal get

A: Batting Average for Baseball Player Consider that the batting average in baseball is given by,…

Q: How many should I ask in each year level?

A:

Q: According to the U.S. Census Bureau, the District of Columbia's population is currently 572,000. If…

A:

Q: A recent survey reports that 22% of students take the bus to campus. If 660 students commute to…

A:

Q: If Amy spends the whole day swimming every Friday, and only Friday, what percentage of her days in a…

A: Amy spends day of friday to swim.  1friday occurs within a weak.  Since 15 Fridays Will come in 15…

Q: 4 were on time and 2 were late, how many of the next 12 trains would you expect to be on time?

A: The probability that the train would be on time is, Pon time=46=23 The probability that the train…

Q: The owner of a book shop surveyed people who bought fantasy novels to see if the store should expand…

A:

Q: Of 200 people who purchased home computers from a national company, 44 received machines with…

A: Find the rate of defective

Q: Class (kg) Freq, f 80; 100) 4 100; 120) 120; 140) 13 140; 160)

A: Mean is the average value around which the whole data set is concentrated. For the grouped frequency…

Q: Of the 600 people at a music festival, 420 had attended the previous year. How many people out of…

A: Assume x = no. out of 100 Given that 420 people out of 600 attended festival last year

Q: On September 9th, a student in Bill Nye's science class answered one chemistry question. Each day…

A:

Q: How old is Sarawong if he was 20 years old four years ago?

A:

Q: Why are there more old animals in shelters than young ones?

A: The given question is why there are more old animals in shelters than young ones In larger animal…

Q: How many people only take a cruise for vacation?

A: Solution

Q: A principal of a college wants to estimate the proportion of smokers among his students. What

A: Given : Margin of error, E = 10% = 0.10 Sample proportion = 0.30

Q: The school store sold 83,299 pencils the first week of school and 92,185 pencils the second week of…

A: The school store sold 83,299 pencils the first week of school and 92,185 pencils the second week of…

Q: A hospital report indicates 25% of its patients had an MRI in January. If 1,060 patients were…

A: It is given that the number of patients is 1,060 and the percentage of patients had an MRI in…

Q: If tacomas population in 2000 is 200,000 and it grows by 8% a year, what is the population in 2012?

A: Given: Population in 2000 is 200,000. It grows by 8% a year. Required: To find the population in…

Q: Three-fourth of the students in the class have an average IQ of 120 and the rest have an average IQ…

A:

Q: Four players from the NBA and their career 3-point percentage are listed below. 3-point percentage…

A: Given that percentage of 2 pointers made is given by        p  = number of 3 pointers made(n)number…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.