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You want to simulate the number of successes in 20 trials where each trial has a 30% chance of success. Which scipy.stats function call correctly generates 10 such random samples?

hard📝 Application Q15 of 15
SciPy - Statistical Functions (scipy.stats) Basics
You want to simulate the number of successes in 20 trials where each trial has a 30% chance of success. Which scipy.stats function call correctly generates 10 such random samples?
Abinomial.rvs(20, 0.3, 10)
Bbinom.rvs(trials=20, prob=0.3, samples=10)
Cbinom.rvs(n=20, p=0.3, size=10)
Dbinom.sample(n=20, p=0.3, size=10)
Step-by-Step Solution
Solution:
  1. Step 1: Identify correct distribution and parameters

    The binomial distribution models number of successes in fixed trials. Parameters are n for trials, p for success probability, and size for sample count.
  2. Step 2: Check each option's correctness

    Only binom.rvs(n=20, p=0.3, size=10) uses correct function binom.rvs and correct parameter names.
  3. Final Answer:

    binom.rvs(n=20, p=0.3, size=10) -> Option C
  4. Quick Check:

    binom.rvs with n, p, size correct = binom.rvs(n=20, p=0.3, size=10) [OK]
Quick Trick: Use binom.rvs with n, p, size for binomial samples [OK]
Common Mistakes:
MISTAKES
  • Using wrong parameter names like trials or prob
  • Using non-existent functions like binomial.rvs
  • Confusing sample with rvs method

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