How many questions could she have expected to have gotten right if she had guessed all of them? What is the probability of getting at least thirty questions right by guessing all of them?
How many questions could she have expected to have gotten right if she had guessed all of them? What is the probability of getting at least thirty questions right by guessing all of them?
Personnel selection. Suppose that 6 female and 6 male applicants have been successfully screened for 5 positions. If the 5 positions are filled at random from the 12 finalists, what is the probability...
Write the answer to the nearest million. Please show steps. thank you.
linda took a multiple choice test. Each question had five possible answers. She guessed on four of the questions. Make up a probability distribution for the number of correct guessEd. What is the...
An experiment consists of dealing 7 cards from a standard 52-card deck. What is the probability of being dealt 7 hearts?
A. What are the odds for rolling a sum of 9 in a single roll of two fair dice? (Simplify answer in a fraction) B. If you bet $1 that a sum of 9 will turn up, what should the house pay(plus...
A student takes a three-question true/false quiz in which he guesses the answers to all three questions. If "C" represents the correct answer, and "w" represents the wrong answer...
Compute the odds in favor of obtaining a number divisible by 2 or 5 in a single roll of a dice. The odds in favor are ___ to ____ (Type whole numbers)
A shipment of 60 inexpensive digital watches, including 10 that are defective, is sent to a department store. The receiving department selects 10 at random for testing and rejects the whole shipment...
A single card is drawn from a standard 52-card deck. Calculate the probability and odds for the following event. An ace or heart is drawn. What is the probability that the card...
You are dealt one card from a 52-card deck. Calculate the probability of and odds for being dealt a six or a spade. (Give answer in an integer or simplified fraction)
A) How many ways can we select a 3-person committee from a group of 8 people. B) How many ways can a President, a Vice President, and a Secretary be chosen from a group of 8 people?
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What is the probability of having more than 40 heads but at most 43 heads? Approximate using a normal random variable.
What is the cutoff height to be in the top (tallest) 10% of the population? That is, what is the lowest height one could be in feet to be considered part of the tallest 10% of the population?
Membership selection. A town council has 13 members, 7 Democrats and 6 Republicans. (A) If the president and vice-president are selected at random, what is the probability that they...
An experiment consists of dealing 6 cards from a standard 52-card deck. What is the probability of being dealt 6 hearts?
If you are dealt 5 cards from a shuffled deck of 52 cards, find the probability of getting three queens and two kings. The probability is... ?
An experiment consists of tossing 7 fair (not weighted) coins, expect one of the 7 coins has a head on both sides. Compute the probability of obtaining exactly 2 heads.
A small combination lock on a suitcase has 3 wheels, each labeled with the 10 digits from 0 to 9. If an opening combination is a particular sequence of 3 digits with no repeats, what is the probability...