STA301 Quiz Jan 2026

VU QUIZ REPORT

Subject: STA301

Quiz Completed: 1/8/2026, 12:08:44 AM Total Questions: 10 Mathematical Questions: 2 CROPPED Screenshots: 2

Q1. A random experiment is a one in which we repeat it a large number of times under similiar conditions an it produces:

1. Different results
2. Same results
3. None of the above
4. Independent results

Correct answer: Different results

Q2. The parameters of binomial distribution are:

1. p,q
2. n,(n-1)
3. n,p
4. n,p,q

Correct answer: n,p

Q3. Which type of data is used in the binomial distribution?

1. Qualitative data only
2. Continues data only
3. Both discrete and continuous
4. Discrete data only

Correct answer: Discrete data only

Q4. A randomly selected sample of 400 students at a university with 15-week semesters was asked whether or not they think the semester should be shortened to 14 weeks.46% of the 400 students surveyed answered "yes". Which one of the following statements about the number 46% is correct?

1. It is a population parameter
2. It is a margin of error
3. It is a standard error
4. It is a sample statistic

Correct answer: It is a sample statistic

Q5. Which of the following is major property of hypergeometric distribution other than binomial distribution.

1. The successive trials are not independent
2. It follows a continuous distribution
3. The experiment is repeated a fix number of time
4. The outcome of each trial may be classified into one of two categories

Correct answer: The successive trials are not independent

Q6. The sampling distribution of the sample proportion, p^, will be ______ distributed if the sample size is large and p^ is not too close to 0 or l:

1. Normal
2. Binomial
3. Approximately normal
4. Poisson

Correct answer: Approximately normal

Q7. The hypergeometric random variable is a(an):

1. Continuous variable
2. Independent
3. Undefined
4. Discrete variable

Correct answer: Discrete variable

Q8. In a bivariate distribution f(x,y), when one random variable is discrete and the other is continuous, then we may call it __________ ?

1. Mixed distribution
2. Paired distribution
3. Co-discrete distribution
4. Matching distribution

Correct answer: Mixed distribution

Q9. You selected: B

Mathematical question (CROPPED screenshot - top 20% removed)

Selected Answer: B

Q10. You selected: B

Mathematical question (CROPPED screenshot - top 20% removed)