According to one poll, 54% of households in a certain region had no landline and only had cell phone service. Supp 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

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**Poll Analysis on Cell Phone Service Only Households**

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. Probability of Exactly 25 Households with Only Cell Phone Service**

The probability that exactly 25 households only have cell phone service is **0.096**.  
(Type an integer or a decimal. Round to three decimal places as needed.)

---

**b. Probability of Fewer Than 25 Households with Only Cell Phone Service**

The probability that fewer than 25 households only have cell phone service is **0.239**.  
(Type an integer or a decimal. Round to three decimal places as needed.)

---

**c. Probability of at Most 25 Households with Only Cell Phone Service**

The probability that at most 25 households only have cell phone service is:  
(Type an integer or a decimal. Round to three decimal places as needed.)

---

*Note: Part (d) is not present in the text provided.*
Transcribed Image Text:**Poll Analysis on Cell Phone Service Only Households** 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. Probability of Exactly 25 Households with Only Cell Phone Service** The probability that exactly 25 households only have cell phone service is **0.096**. (Type an integer or a decimal. Round to three decimal places as needed.) --- **b. Probability of Fewer Than 25 Households with Only Cell Phone Service** The probability that fewer than 25 households only have cell phone service is **0.239**. (Type an integer or a decimal. Round to three decimal places as needed.) --- **c. Probability of at Most 25 Households with Only Cell Phone Service** The probability that at most 25 households only have cell phone service is: (Type an integer or a decimal. Round to three decimal places as needed.) --- *Note: Part (d) is not present in the text provided.*
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