Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 1: Probability of Simple Events


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Ten cards numbered 1 through 10 are mixed together and then one card is drawn. Find the probability of each event. Write each answer as a fraction, percent, and decimal.

  • Question 15 (request help)

    P(greater than 3)
  • \(P(\text{greater than 3})=\)
  • Question 18 (request help)

    P(not a multiple of 4)
  • \(P(\text{not a multiple of 4})=\)
  • Question 19 (request help)

    P(not 5, 6, 7, or 8)
  • \(P(\text{not 5,6,7 or 8})=\)
  • Question 20 (request help)

    P(divisible by 3)
  • \(P(\text{divisible by 3})=\)
  • Question 21 (request help)

    Of the students at Grant Middle School, 63% are girls. The school newspaper is randomly selecting a student to be interviewed. Describe the complement of selecting a girl and find the probability of the complement. Write the answer as a fraction, decimal, and percent.
  • Type below:
  • Question 22 (request help)

    The table shows the number of dogs and cats at a groomer. If a pet is selected at random to be groomed, find the probability that Patches the cat will be selected. Then find the probability that a cat will be selected.
  • Type below:
  • Question 23 (request help)

    Persevere with Problems

    For a certain game, the probability of choosing a card with the number 13 is \( \large\frac{8}{1000} \). Find the probability of not choosing a card with the number 13. Then describe the likelihood of the event occurring.
  • \(P\text{(not 13)}\)   %

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