(Answered) 1 in the class there are 12 freshmen of whom 8 are males

Statistics

1) In the class, there are 12 freshmen, of whom 8 are males and 15 sophomores, of whom 5 are females. If one student is selected at random, what is the probability of selecting a freshman or a female?

2) In a recent poll by American Automobile Club, 40% of the surveyed said that they were worried about aggressive drivers. If 3 people are randomly selected, what is the probability that all 3 will be worried about aggressive drivers?

3) A Container has 6 blue marbles, 3 red marbles, and 6 white marbles. If 3 marbles are drawn with replacement, what is the probability that all three will be blue?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91626838
Price:- $20

Verified Expert

Priced at $40 Now at $20, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Which is more detrimental to the sale of a popular athletes

Which is more detrimental to the sale of a popular athlete's paraphernalia, bad behavior on-the-field or bad behavior off-the-field? What is the Null Hypothesis: What is the Alternative Hypothesis:

Estimate the proportion of people in various states that

Estimate the proportion of people in various states that will use the courior services. Suppose the true proportion is 0.03. If 476 are sampled, what is the probability that the sample proportion will be less than 0.04?

We polled a sample of 900 random people on whether they

We polled a sample of 900 random people on whether they thought a candidate for a high government position deserves to be nominated. We found that 405 of the 900 people (or 45%) believe the candidate should not be nomina ...

Suppose you perform a multiple regression to predict crime

Suppose you perform a multiple regression to predict crime rate in a state and includes as indicators of predictions the homeownership rate divorce rate and the personal bankruptcy. Explain how to conduct a test of hypot ...

The following are amounts of time minutes spent on hygiene

The following are amounts of time (minutes) spent on hygiene and grooming in the morning by survey respondents (based on data from an SCA survey). 15, 16, 18, 25, 26, 30, 32, 41, 45, 55, 63. Does the number 63 appear unu ...

A logging contractor has three feller bunchers on any given

A logging contractor has three feller bunchers. On any given day, each machine has a 90% chance of working. The contractor is considering buying a fourth feller buncher to offset the possibility of none of the machines o ...

It has been argued that although there may be more claims

It has been argued that although there may be more claims when road conditions are slippery in the winter, this should not affect the average claim. Malpeque took a sample of 50 claims from the winter of 2018 and found t ...

Confidence intervals ci are one of the simpler forms of

Confidence intervals (CI) are one of the simpler forms of inferential statistics. What does the CI represent? And why does our knowledge of the Central Limit Theorem (CLT) and the empirical rule let us understand why the ...

Te critical boundaries zcrit for a hypothesis test are z

The critical boundaries (Zcrit) for a hypothesis test are z = +1.96 and z = -1.96. If the z-score for the sample data is z = -1.90, then what is the correct statistical decision? A) Reject H1 B) Fail to reject H1 C) Re ...

Many restaurants and eateries are now posting calorie

Many restaurants and eateries are now posting calorie counts on their menus. We wonder if providing the calories results in customers ordering fewer calories than when the calories are not provided. We will use data from ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert