For a short test of ten multiple-choice questions, each question has four possibilities, one of which is correct. If a student answers the exam randomly. What is the chance that I get at least two correct questions? select one: a. 0.7560 b. 0.4474 c. 0.2440 d. 0.5256

Q: Marcus rolls 2 number cubes, each numbered from 1 to 6. He rolled an even sum 16 times and an odd…

A: Given that  The Even sum is 16 times The Odd sum is 10 times  The relative frequency is the ratio of…

Q: Helga scored in the 70th percentile rank on an exam. If 300 students took the exam, how many…

A: Given: percentile rank of Helga: 70th           total number of students who took exam: 300 students…

Q: 57% of all the town's residents own a dog and 63% own a cat. Of the dog owners 47% also own a cat.…

A: Given that, 57% of all the town's residents own a dog and 63% own a cat.  Of the dog owners 47% also…

Q: In a survey of 1536 adults, 36% responded "yes" to the survey question. How many adults answered…

A: From the provided information, Sample size (n) = 1536 36% responded “Yes” to the survey question.…

Q: Among college students, the proportion p who say they're interested in their congressional…

A: Given X=185 n=260

Q: According to the results of a survey, 36% of 123 people indicated that American football is their…

A: Answer..

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: (d) What is the nonresponse rate? (e) Suggest some methods that could be used in a future survey to…

A: The purpose of a survey is to examine the opinions, behaviors, or experiences of individuals or…

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: In a research article, " yoga "- the yoga poses and effects on heart rate,  had a study where 50…

A: The variables used in the study are: Intensity of yoga pose (low or high) Roll a Dil or not (yes or…

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: The high tech industry claims that women have the same chance of being hired as men. If this is so,…

A: In this question, we need to find the expected number of company to have 11 or more female…

Q: A group of 10 students participate in chess club, karate club, or neither. Let event A = The student…

A: Introduction: It is required to find P (A | B).

Q: you rolled a six-sided die 60 times and got the following tally. 20 ones, 20 twos, 15 threes, 3…

A: For a fair die, there are six equally likely outcomes, {1, 2, 3, 4, 5, 6}. That is, probability of…

Q: P(A) = 0.3 , P(B) = 0.6, P(AN B) = 0.2 Find P(AUB) Select one: a. 0,5 b. 0,3 c. 0.6 • d. 0.7

A: According to the given information, we have P(A)=0.3P(B)=0.6P(A∩B)=0.2

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.