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Smartphones: A poll agency reports that 47% of teenagers aged 12-17 own smartphones. A random sample of 147 teenagers is drawn. Round your answers to at least four decimal places as needed. Part 1 of 6 X (a) Find the means The mean jais Part 2 of 6 X (b) Find the standard deviation on P The standard deviation AS Parts of (c) Find the probability that more than 50% of the sampled teenagers own a smartphone The probability that more than 50% of the sampled toenaders own a swartphones Part of (0) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 044 and 0.55 Continue Save For Later Submit Asalment 20 MAGIC AWM y C Am 537 Mostly do

6.3 Quiz Question 5 of 11 (1 point) Question Attempt 1 of 1 Part 3 of 6 () Find the probability that more than 50% of the sampled teenagers own a smartphone. X 6 The probability that more than 50% of the sampled teenagers own a smartphone is Part 4 of 6 (d) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.44 and 0.55 The probability that the proportion of the sampled teenagers who own a smartphone is between 0.44 and 0.55 is Part 5 of 6 (e) Find the probability that less than 55% of sampled teenagers own smartphones, The probability that less than 55% of sampled teenagers own smartphones is Part: 5/6 Part 6 of 6 (1) Would it be unusual i less than 38% of the sampled teenagers owned smartphones? It. Choose one) y be unusual if less than 35% of the sampled teenagers owned smartphones, since the probability is Continuo S 2001 MULCAN served

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