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MATH 1280-01 Introduction to Statistics - AY2025-T5
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The Central Limit Theorem is important because:
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The Geometric distribution models the probability of ____________.
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A hotel recorded the number of room bookings made each day during the first week of March. The data were as follows: 12, 15, 10, 18, 20, 15, 22. Based on a bar plot of this data, the height of the bar for the value 15 would represent:
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Consider a random sample of 144 customers who exceed the time allowance included in their basic cell phone contract. μ = 22 and σ = 22. Find P(Σx is at least 3,000).
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The area under the curve of the probability density function of a continuous random variable represents:
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The amount of time (in minutes) until the next train arrives at a train station is uniformly distributed between 10 and 30 minutes. Define the random variable X.
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What type of data is best represented using a bar graph?
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A coin tossed two times, the probability of at least one head to show is______.
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Given the same unknown distribution with μx=60, n=100 and σx=10, what is the Z-score corresponding to ΣX=2500?
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A school principal wants to understand students' preferences for extracurricular activities. She randomly selects students from each grade level to participate in a survey. This is an example of:
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