What is the measure of arc BCD? В 30° 35° D a 295° b 115° C 65° d 270°

Q: What type of variable is a letter grade

A: Given variableLetter grade The types of variables are1) Categorical variableThe variables which can…

Q: Sally just received her SAT results. Her SAT mathematics score was 600 and is in the 74th…

A: The score is 600 and it is the 74th percentile.

Q: you scored 88,92,and 87 on three tests.Write and solve an equation to find the score you need on the…

A:

Q: Find P(F or G) by counting the number of outcomes in F or G.   P(F or G) =

A: The given outcomes  is . The sample space is .

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: Evaluate dpois(10,3.95)

A: The dpois(x,lambda) is R-function. This evaluates the probability mass function of poisson…

Q: If P(A) = 0.3, P(B) = 0.5, and P(A and B) = 0.2, find P(A or B). P(A or B) = Need Help? Read It

A:

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: Researchers tracked the 100 students to see how far they would get in their educational attainment.…

A:

Q: Find the mean of weight of cranes in kg. The weight of 6 cranes are 25, 10, 40, 45, 9, 21 in kg.

A: The weights of the cranes are given as 25 kg, 10 kg, 40 kg, 45 kg, 9 kg, 21 kg. These are the data…

Q: Three times each day, a quality engineer samples a component from a recently manufactured batch and…

A:

Q: A college class completes an exam and the professor grades each exam with the following scores: 88,…

A: We need to find the quartile and then we will be able to find the number of students who pass the…

Q: Find the median: 25, 18, 17, 29, 40 Median=

A: Given data set: 25, 18, 17, 29, 40

Q: A poll of 520 citizens of Normal, Illinois showed that 59% favored strict enforcement of speed…

A: A poll of 520 citizens of Normal Illinois showed that 59% favored strict enforcement of speed…

Q: Do Now: Find the mean of the following test scores: 100, 98, 86, 95, 81

A: Given ,score is 100,98,86,95,81sample size (n)=5

Q: 55% of high

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

Q: Timothy wants to estimate the percentage of homeowners that own at least one dog. He surveys 100…

A: To find out which of the given is a parameter :- A parameter is a numerical value that states…

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: 15. An experiment was designed to test whether or not students can tell the difference between tap…

A: In this experiment we are going to test whether or not students can tell the difference between tap…

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: vorker in a bakery is responsible for loading and unloading fr es before it needs to be emptied.…

A: 0.995

Q: Statements 1. KJ MN and LKJL LMNL 2. LKLJ LMLN Reasons 1. 2. 3. 3.

A:

Q: Lionel has just gone grocery shopping. The mean cost for each item in his bag was $3.19. He bought a…

A: Given info: The mean cost for each item in his bag was $3.19.