Stan guessed on all 10 questions of a multiple-choice quiz. Each question has 4 answer choices. What is the probability that he
1 answer:
The probability that he got at least 2 questions correct is 0.756.
Probability is simply how probably something is to appear. every time we're uncertain approximately the final results of an occasion, we can communicate approximately the possibilities of positive outcomes and how in all likelihood they may be. The analysis of occasions ruled through chance is called data.
Basic Probability Rules
- For any event A, 0 ≤ P(A) ≤ 1
- The sum of the probabilities of all possible outcomes is 1
- The Complement Rule
- Probabilities Involving Multiple Events.
- Addition Rule for Disjoint Events
Learn more about probability here brainly.com/question/24756209
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Answer:
400 units³
Step-by-step explanation:
The volume (V) of the square pyramid is
V = area of base × height (h)
where h is the perpendicular height.
Consider the right triangle formed by a segment from the vertex to the midpoint of the base and the slant height ( the hypotenuse )
Using Pythagoras' identity on the right triangle
h² + 5² = 13²
h² + 25 = 169 ( subtract 25 from both sides )
h² = 144 ( take the square root of both sides )
h = = 12
Area of square base = 10² = 100, hence
V = × 100 × 12 = 4 × 100 = 400