Event that a randomly chosen student is male

Assignment Help Basic Statistics
Reference no: EM1397796

At a certain university, 28% of the students major in zoology. Of all the students majoring in zoology, 68% are males. It is also known that 56% of all students at the university are male. Let Z represent the event that a randomly chosen student is majoring in zoology. Let M represent the event that a randomly chosen student is male.

(A) What is the probability a randomly chosen student is male and majoring in zoology?

(B) What is the probability that one randomly selected student is a male or is majoring in zoology, or both?

(C) What proportion of males at the university are majoring in zoology?

(D) What proportion of students are female and are not majoring in zoology?

(E) Are the events M and Z independent? Explain.

(F) Are the events M and Z mutually exclusive? Explain.

Reference no: EM1397796

Questions Cloud

Recession the demand for debt product : APR is annual rate of interest thatis charged for borrowing expressed as a single percentage which represents the yearly cost over the term of the loan, including any fees and additional charges associated with the transaction - DB123 TMA 2
Where are the alleles located in the plant : Use your newfound knowledge of the inheritance of traits and Punnett Squares to predict the chances that a Gg pea plant producing green pods and a gg pea plant producing yellow pods, when crossed with one another, will produce offspring with yello..
Find the expected number of each phenotype : In a lab, you are supposed to observe and record the 4 different kinds of corn kernel phenotypes. The phenotypes are purple smooth, purple wrinkle, yellow smooth, and yellow wrinkled.
Anova for rating of cruise ships : The following data shows the service ratings for eight ramdomly selected small ships, eight randomly selected large ships. All ships are rated on a 100-point scale, with higher valuse indicated better service (traveler Feb 2003)
Event that a randomly chosen student is male : At a certain university, 28% of the students major in zoology. Of all the students majoring in zoology, 68% are males. It is also known that 56% of all students at the university are male. Let Z represent the event that a randomly chosen student i..
Describe the two doctrines applied in central america : Briefly describe the two doctrines, and provide the example of how each one has been applied in Central America.
Constructing and understanding anova : Martin Motors has in stock three cars of the same make and model. The president would like to compare the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline.
Anova for grade of gasoline to use : Suppose that an automobile manufacturer designed a radically new lightweight engine and wants to recommend the grade of gasoline to use.
Confidence interval for theta : Consider a random variable Y, and a constant theta such that (1/theta)Y is distributed exponentially. Derive the lower and upper bounds for a 90% confidence interval for theta (These will be a function of y). Noe that theta=1/lambda where lambda i..

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Linear programming problem-print media advertising

Print Media Advertising (PMA) has been given a contract to market Buzz Cola via newspaper ads in a major southern newspaper. Full-page ads in the weekday editions (Monday through Saturday) cost $2000, whereas on Sunday a full-page ad costs $8000.

  Calculation of simple regression

Work through a simple regression calculation using intrinsic job satisfaction nd extrinsic job satisfaction. Select thirty data points to use for each group.

  Foundation statistics

Answer all of these questions using R Commander. Include all graphs, outputs from R Commander.

  Statement as a multiple regression model

Formulate this statement as a multiple regression model (form only, without parameter estimation).

  Did baby seem to like the formula

A sample of 50 male and 50 female infants were put on an experimental infant formula. After two weeks the parents of each infant were asked to fill out a questionnaire concerning infant satisfaction on the formula. One of the questions was "Did Ba..

  Population proportion of mice

In a sample of 55 mice, a biologist found that 42% were able to run a maze in 30 second or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 second or less.

  Evaluate the p-value

The null hypothesis is that the distribution of mother's educational level is the same for both treatment groups. The value of the chi-square statistic is 7.422. Evaluate the P-value

  Three sigma x chart and the three sigma r-chart

Auto pistons at Yongpin Zhou's plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must be controlled. Construct the 3-sigma x-chart and the 3-sigma R-shart for this dimension, using the data observed in ..

  Binding percentages for five antibiotics tested

Results are comparable to what could be expected in human serum. Are true binding percentages for five antibiotics tested all equal?  Let α = 0.05.

  How to describe the standard normal distribution

Describe the standard normal distribution. Explain why it can be used to find probabilities for all normal distributions.

  Concept of probabilities

Be sure to include information about how you would use the concept of probabilities to apply to profiles for hiring more satisfied individuals.

  Contract to produce garden hoses for a customer

The Kirschner Company has a contract to produce garden hoses for a customer. Kirschner has 5 different machines that can produce this kind of hose. Write the constraint that indicates they have to use at least three of the five machines in their p..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd