How do I count results of head and tail in this table in

Q: find the weighted average. 3 test scores were 75, 5 test scores were 88 and 2 test scores were 90.

A: Given,3 test scores were 755 test scores were 882 test score were 90

Q: 40. What is the value of EX? for the scores: -2, -1, 0, 1, 2?

A: Given that  The data -2,-1,0,1,2 Find the value of ∑X2

Q: Television Set Ownership According to Nielsen Media Research, of all the U.S. households that owned…

A: Identify the claim.   The claim is stated below as follows:   From the information, given the…

Q: gra 4- 3+ -7 -6 -5 -4 3 -2 -1 2 3 4 5 6. 7 y= Preview

A:

Q: so is 80% z-score 1.

A: The mean and standard deviation of standard normal distribution are 0 and 1, respectively.

Q: Approximately how many of the families in the survey have less than four children? O 130 O 140 260…

A: Given graph is

Q: Find the number of different selections of 4 letters from the word STATISTICS.

A: "STATISTICS" No.of letters in the word " STATISTICS " =10

Q: he percentage of bags weighing between 8.9 and 9.46 ounces is The percentage of bags weighing…

A: According to our guidelines we will solve only first three sub-parts of a question and rest will be…

Q: What's the IQR? Answer as a single value.

A: It is required to find the IQR for the given data.

Q: 55% of high

A: Probability of participating = 0.55 Probability of playing in NCAA given participating = 0.05

Q: P (more than 6 will fail) =

A: If an experiment has only two outcomes, they follow binomial distribution. It has two parameters,…

Q: 33% prefer aisle seat

A: The confidence interval = 95%Margin of error [E] = 2.5%

Q: A researcher is interested in determining if sleeping more hours the night before an exam will…

A: It is wanted to be determined by the researcher whether sleeping more hours the night before a test…

Q: The boxplot below shows the precipitation in Chicago, IL (in inches) over the past 30 years. In how…

A:

Q: A recent year was randomly picked from 1985 to the present. In that year, there were 2,052 Hispanic…

A: Public university:Sample size Number of Hispanic students Community college:Sample size Number of…

Q: You want to find out the top three food items sold in your school cafeteria. Select the best way to…

A:

Q: It's saying the x= is not 3.35, 0.15

A:

Q: Calculate a student's grades used weighted average follows. The second test was the midterm, it is…

A:

Q: A survey was conducted by a website on which online music channels subscribers use on a regular…

A: 11 listened to rap, heavy metal, and alternative rock. 18 listened to rap and heavy metal. 20…

Q: Johannah is having  a reading contest with her friend Morgan.Johannah reads 2/5 of her  book,while…

A: To compare two fractions , first we have to convert to fractions to such a form that the denominator…

Q: Match these values of r with the accompanying scatterplots: 0.368, - 0.994, 0.994, 0.752, and -…

A: By observing the scatteredness of the points of 5 scatter plots, 1. r=0.368 2. r=-0.368

Q: A magazine collected the ratings for food, decor, service and the cost per person for a sample of…

A: The given model is Y^i=-25.002+1.0004Xi.

Q: How do you figure out which team is closer?

A: In triangle LBM∠BLM=52°∠LBM=38°+52°=90°∠BML=38°

Q: Find the point estimate for the population proportion.             A Southern student wants to know…

A: It is given that the sample size (n) is 888 and the number of people spoke 2 or more languages is…