Basic Math question and answers for October 03, 2024
- Q An investor is considering a $25,000 investment in a start-up company. She estimates that she hasprobability 0.15 of a $15,000 loss, probability 0.05 of a $25,000 loss, probability 0.3 of...
- Q A certain system can experience three different types of defects. Let A (i = 1,2,3) denote the event that thesystem has a defect of type i. Suppose that(a) Find the...
- Q A lot of 101 semiconductor chips contains 16 that aredefective.(a) Two are selected, one at a time and withoutreplacement from the lot. Determine the probabilitythat the second one is defective.(b)...
- Q Heart failures are due to either natural occurrences(83%) or outside factors (17%). Outside factors arerelated to induced substances (69%) or foreign objects(31%). Natural occurrences are caused by arterialblockage (52%), disease...
- Q An automobile manufacturing plant produced 36 vehicles today: 17 were vans, 13 were trucks, and 6 were sedans. Plant managers are going to select two of these vehicles for a...
- Q A company that makes crayons is trying to decide which 4 colors to include in a promotionalmini-box of 4 crayons. The company can choose the 4 mini-box colors from its...
- Q A parucular disease is tested for and the results determine that it occurs in about 1 of every 525 Chinese baby births and about 1 of every 149,000 non-Chinese baby...
- Q A university class has 29 students: 14 are nursing majors, 9 are history majors, and 6 are business majors. The professor is planning to select two of students for a...
- Q At a local college, 155 of the male students are smokers and 155 are non-smokers. Of the female students, 60 are smokers and 140 are non-smokers. A male student and...
- Q If we denote a cystic fibrosis gene with a c and a disease-free gene with a C (since the disease is recessive), then only a cc person will actually have...
- Q At a particular restaurant, 42% of all customers order an appetizer and 36% of all customers order dessert. If 52% of all customers order an appetizer ordessert (or both), what...
- Q A poker hand consisting of 6 cards is dealt from a standard deck of 52 cards. Find the probability that the hand contains exactly 2 face cards.The probability is(Give your...
- Q If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a club or 3? ...
- Q A bag has ten marbles. Five green, three blue, two red. What is the probability ofdrawing two green and one red in that order without replacement?
- Q Kristina buys a bag of cookies that contains 7 chocolate chip cookies, 4 peanut butter cookies, 9 sugar cookies and 8 oatmeal cookies. What is the probability that Kristina reaches...
- Q Inside the box of every cereal box contains a surprise gift. The store manager assures employees that 21 of the 65 boxes on the shelf have a secret decoder ring...
- Q Use a normal approximation to find the probability of the indicated number of voters. In this case, assume that 183 eligible voters aged 18-24 are randomly selected. Suppose a previous...
- Q Using a standard 52-card deck, find the following probabilities. Leave your answer as a reduced fraction.a. If a card is randomly selected, what is the probability that the card is...
- Q The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 0 and 9 minutes. Find at a randomly selected passenger has a...
- Q Bianca and Carlos play a game using a bag of marbles. The bag contains 12 blue, 14 green, 8 red, and 6 yellow marbles. A marble is drawn. Ifthe marble...
- Q The positions on a lacrosse team are called defenders (D), midfielders (M), and attackers (A). One player is chosen at random to lead the tearn Inexercises before each game. The...
- Q Sixty-five percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the probability that the number of consumers whoprefer to purchase electronics online is (a) exactly...
- Q Identify the sample space of the probability experiment and determine the number of outcomes in the sample space. Draw a tree diagram.Determining a person's favorite steak (rib-eye (R), filet (F),...
- Q Can two events with nonzero probabilities be both independent and mutually exclusive?Choose the correct answer below......OA. Yes, two events with nonzero probabilities can be both independent and mutually exclusive when...
- Q A spinner has 8 equally sized sections, 2 of which are gray and 6 of which are blue. The spinner is spun twice. What is the probability that the first...
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