Determining probability that no female are hired

Assignment Help Basic Statistics

Reference no: EM1315676

Q1) Assume a professor arbitrarily chooses 3 new teaching assistants from the total of 20 applicants-12 male and 8 female students. Let X be number of females who are hired.

i) Determine the probability that no female are hired.

ii) Determine the mean and standard deviation of X.

Q2) In testing lethal concentration of chemical found in polluted water, it is determined that certain concentration will kill 40% of fish which are subjected to it for 24 hours. If 5 fish are placed in the tank concentration of chemical, determine the probability that after 24 hours.

i) Exactly 4 survive

ii) At least 4 survive

iii) At most 1 survives.

Reference no: EM1315676

Questions Cloud

Multiple choice questions on inflation : Multiple choice questions on Inflation, EOQ and Basic accounts - Rocky Mountain Utilities then uses the coals to generate electricity, which it makes to its customers

What is primary goal of financial management : Multiple choice questions on basic financial management and What is the primary goal of financial management?

Probability from a standard 52-card deck : If a card is drawn at random from a standard 52-card deck, what is the probability that the card drawn is one of the following?

Objective type questions on cost of capital & stock : Objective type questions on Cost of Capital & Stock and Under the MM extension with growth, what is its cost of equity

Determining probability that no female are hired : Determine the probability that no female are hired. Determine the mean and standard deviation of X.

Pair of dice probability : A pair of dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.)

Determining number of vehicles passing from one point : Determine expectation of number of vehicles passing through this specified point in ten minutes.

Fund management and bond valuation : Multiple choice questions on cash, fund management ans bond valuation - Which of the following is not one of the components that makes up the required rate of return on a bond

Algorithm to prepare a job applicant report : Develop an algorithm in order to prepare a job applicant report. Input consists of a series of records that contain the Social Security number or equivalent, last name, first name, middle initial, verbal test score, science test score, math test s..

User Account

All Pages