According to one poll, 54% of households in a certain region had no landline and only had cell phone service. Suppose a random sample of 50 households from the region is taken. Complete parts (a) through (d) below. a. Find the probability that exactly 25 of the households sampled only have cell phone service. The probability that exactly 25 only have cell phone service is 0.096. (Type an integer or a decimal. Round to three decimal places as needed.) b. Find the probability that fewer than 25 households only have cell phone service. The probability that fewer than 25 only have cell phone service is 0.239 (Type an integer or a decimal. Round to three decimal places as needed.) c. Find the probability that at most 25 households only have cell phone service. The probability that at most 25 only have cell phone service is 0.334. (Type an integer or a decimal. Round to three decimal places as needed.) d. Find the probability that between 25 and 30 households, inclusive, only have cell phone service. The probability that between 25 and 30 households, inclusive, only have cell phone service is (Type an integer or a decimal. Round to three decimal places as needed.)

According to one poll, 54% of households in a certain region had no landline and only had cell phone service. Suppose a random sample of 50 households from the region is taken. Complete parts (a) through (d) below. a. Find the probability that exactly 25 of the households sampled only have cell phone service. The probability that exactly 25 only have cell phone service is 0.096. (Type an integer or a decimal. Round to three decimal places as needed.) b. Find the probability that fewer than 25 households only have cell phone service. The probability that fewer than 25 only have cell phone service is 0.239 (Type an integer or a decimal. Round to three decimal places as needed.) c. Find the probability that at most 25 households only have cell phone service. The probability that at most 25 only have cell phone service is 0.334. (Type an integer or a decimal. Round to three decimal places as needed.) d. Find the probability that between 25 and 30 households, inclusive, only have cell phone service. The probability that between 25 and 30 households, inclusive, only have cell phone service is (Type an integer or a decimal. Round to three decimal places as needed.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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