1) Determine if the following are continuous or discrete random variables: a) The amount of money won at slot machine b) Number of times you do laundry this month c) The number of math classes you have taken in your life d) Your car's speed at the 163 freeway
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- A Statistics instructor wishes to know the average age (in month) of his 200 students. He decides to choose 25 students from the class and ask them for their age. All 200 names are put in a hat and 25 names are then chosen at random (without replacement). The average age of the students chosen is observed to be 231 months. The group of 25 students is known as what?The tickets in a box have an average value of 75, and the SD is 10. Twenty-five draws are made at random with replacement from this box. Find the chance that the average of the draws will be in the range 65 to 85.3. Write the last digit of your 1000 student ID number: 2 You know that in a specific population of rainbow trout 15% of the individuals carry intestinal parasites. Assume you obtain a random sample of 9 individuals from this population: a. Calculate the probability that) (last digit of your ID number) carry intestinal parasites. b. Calculate the probability that at least two individuals carry intestinal parasites. NOTE: you can still calculate "a" if your last digit is "0."
- In a lottery, the top cash prize was $646 million, going to three lucky winners. Players pick four different numbers from 1 to 57 and one number from 1 to 47. A player wins a minimum award of $200 by correctly matching two numbers drawn from the white balls (1 through 57) and matching the number on the gold ball (1 through 47) What is the probability of winning the minimum award?In a sample of 1000 U.S. adults, 192 think that most celebrities are good role models. Two U.S. adults are selected from this sample without replacement. Complete parts a through c. a. Find the probability that both adults think most celebrities are good. b. Find the probability that neither adult thinks most celebrities are good.. Assume that the box contains balls numbered from 1 through 28, and that 3 are selected. A random variable X is defined as 3 times the number of odd balls selected, plus 4 times the number of even. How many different values are possible for the random variable X?
- Determine the probability that the committee consists of six faculty and two administrators.In a lottery, the top cash prize was $659 million, going to three lucky winners. Players pick five different numbers from 1 to 57 and one number from 1 to 42. A player wins a minimum award of $450 by correctly matching three numbers drawn from the white balls (1 through 57) and matching the number on the gold ball (1 through 42) What is the probability of winning the minimum award? The probability of winning the minimum award is (Type an integer or a simplified fraction.)62% of all the town’s residents own a dog and 57% own a cat. Of the dog owners 48% also own a cat. If a town is chosen at random find A. P(own a dog)B. P(own a cat)C. P(own a cat and dog)D. P(own a dog given own a cat)
- 9% of all Americans live in poverty. If 38 Americans are randomly selected, find the probability thata. Exactly 4 of them live in poverty. b. At most 4 of them live in poverty. c. At least 2 of them live in poverty.In a lottery, the top cash prize was $675 million dollars, going to three lucky winners. Players pick four different numbers 1 to 58 and one number 1 to 48. A player wins a minimum of $100 by correctly matching two numbers drawn from the white balls (1 through 58) and matching the number on the gold bal (1 through 48). What is the probability of winning the minimum award?