# Finite math (30 question) | Mathematics homework help

### The following table gives the number of people killed in rollover crashes in various types of vehicles in 2002:

Types of VehiclesCarsPickupsSUVsVansDeaths472026602195684

If a fatality due to a rollover crash in 2002 is picked at random, what is the probability that the victim was in a pickup or an SUV?

1 points

1 points

### A time study was conducted by the production manager of Universal Instruments to determine how much time it took an assembly worker to complete a certain task during the assembly of its Galaxy home computers. Results of the study indicated that 25% of the workers were able to complete the task in less than 3 minutes, 55% of the workers were able to complete the task in 4 minutes or less, and 15% of the workers required more than 5 minutes to complete the task.

If an assembly-line worker is selected at random from this group, what is the probability that the time taken for the worker to complete the task will be between 3 and 4 min (inclusive)?

1 points

1 points

1 points

### The following table gives the number of people killed in rollover crashes in various types of vehicles in 2002:

Types of VehiclesCarsPickupsSUVsVansDeaths438126622445684
If a fatality due to a rollover crash in 2002 is picked at random, what is the probability that the victim was in a car?

1 points

1 points

1 points

### In a poll conducted among likely voters by Zogby International, voters were asked their opinion on the best alternative to oil and coal. The results are as follows:

SourceNuclearWindFuel
cellsBiofuelsSolarother/
What is the probability that a randomly selected participant in the poll mentioned wind or solar energy sources as the best alternative to oil and coal? Round answer to two decimal places.

1 points

### In a survey conducted to see how long Americans keep their cars, 2,000 automobile owners were asked how long they plan to keep their present cars. The results of the survey follow:

Years Car Is Kept, xRespondents0 ≤ x < 1401 ≤ x < 34203 ≤ x < 53805 ≤ x < 73607 ≤ x < 10220x ≥10580
Find the probability distribution associated with these data and answer the question.

What is the probability that an automobile owner selected at random from those surveyed plans to keep his or her present car  less than seven  years?

1 points

1 points

### A leading manufacturer of kitchen appliances advertised its products in two magazines: Good Housekeeping and the Ladies Home Journal. A survey of 500 customers revealed that 130 learned of its products from Good Housekeeping, 120 learned of its products from the Ladies Home Journal, and 90 learned of its products from both magazines.

What is the probability that a person selected at random from this group saw the manufacturer’s advertisement in both magazines?
a.

1 points

### In a survey conducted in November 2002 of 1,400 international business travelers concerning in-flight service over the past few years, the following information was obtained.

Comments on Quality of ServiceRespondentsHas remained the same from two years ago.630Has diminished over that time frame.413Has improved over that time frame.329Weren’t sure.28

If a person in the survey is chosen at random, what is the probability that he or she has rated the in-flight service as remaining the same or improved over the time frame in question?

1 points

### Among 1,000 freshmen pursuing a business degree at a university, 520 are enrolled in an Economics course, 490 are enrolled in a Mathematics course, and 290 are enrolled in both an Economics and a Mathematics course.

What is the probability that a freshman selected at random from this group is enrolled in exactly one of these two courses?

1 points

Compute P( Fc).

1 points

Two

1 points

### In the game of blackjack, a 2-card hand consisting of an ace and a face card or a 10 is called a blackjack.

If a player is dealt 2 cards from a standard deck of 52 well-shuffled cards, what is the probability that the player will receive a blackjack? If a player is dealt 2 cards from 2 well-shuffled standard decks, what is the probability that the player will receive a blackjack?

a.0.0239, 0.0030

1 points

1 points

1 points

1 points

1 points

### Two cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. Find the probability of the given event.

Two black cards are drawn.
a.

1 points

1 points

### An unbiased coin is tossed five times. Find the probability of the given event.

The coin lands heads at least once.

a.

1 points

1 points

1 points

### Four balls are selected at random without replacement from an urn containing four white balls and five blue balls. Find the probability of the given event.

All of the balls are blue.
a.

1 points

1 points

### In ”The Numbers Game,” a state lottery, four numbers are drawn with replacement from an urn containing the digits 0-9, inclusive. Find the probability of a ticket holder having the indicated winning ticket.

All four digits in any order(including the other winning tickets)

a.0.0001

1 points

### f.

1 points

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