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Use Central Limit Theorem. A manager for a dollar store finds that approximately 3 out of every 15 customers pick up small items displayed near

  1. Use Central Limit Theorem. A manager for a dollar store finds that approximately 3 out of every 15 customers pick up small items displayed near the checkout lines while waiting in line to pay for their purchases. A random sample of 50 customers who waited in line to pay for their purchases was selected.
    1. What is the probability that none of them will pick up a small item displayed near the checkout? (1 mark)

  1. What is the probability that between 10% and 20% will pick up a small item displayed near the checkout? (1 mark)

  1. What is the probability that more than 25% of them will pick up a small item displayed near the checkout? (1 mark)

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