A Gallup Poll showed that 30% of Americans are satisfied with the way things are going in the United States. Suppose a sample of 20 Americans is selected as part of a study of the state of the nation.
A Gallup Poll showed that 30% of Americans are satisfied with the way things are going...
According to a study done by the Gallup organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.82. In a survey of 100 Americans, what is the probability that 75 or fewer are satisfied with the way things are going in their life?
please explain your answers according to a study done by the gallup organization, the proportion of americans who are satisfied with the way things are going in their lives is 0.82. a) suppose a simple random sample of 100 americans is asked, "are you satisifed with the way things are going in your life?" describe the sampling distribution of ^P, the proportion of americans who are satisfied with the way things are going in their life. be sure to verify...
2) In a recent poll, the Gallup Organization found that 45% of adult Americans believe that the overall state of moral values in the United States is poor. Suppose a survey of a random sample of 500 adult Americans is conducted in which they are asked to disclose their feelings on the overall state of moral values in the United States. Use the normal approximation to the binomial to approximate the probability that a. Exactly 270 of those surveyed feel...
According to a study conducted by a statistical organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.88. Suppose that a random sample of 100 Americans is obtained. Complete parts (a) through (c). (a) Describe the sampling distribution of p Choose the correct answer below. The distribution of p can be approximated by a normal distribution with p μp=0.88 and σp=0.032496. (b) Using the distribution from part (a), what is the probability...
5. [10 Points) According to a study conducted by a statistical organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 110 Americans is obtained. a. Describe the sampling distribution of sample proportion b. Using the distribution from part (a), what is the probability that at least 82 Americans in the sample are satisfied with their lives?
5. [10 Points) According to a study conducted by a statistical organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 110 Americans is obtained. a. Describe the sampling distribution of sample proportion b. Using the distribution from part (a), what is the probability that at least 82 Americans in the sample are satisfied with their lives?
- [10 points) According to a study conducted by a statistical organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.76. Suppose that a random sample of 100 Americans is obtained. a. Describe the sampling distribution of the sample proportion (P-hat) b. Using the distribution from part (a), what is the probability that at least 80 Americans in the sample are satisfied with their lives?
5. [10 points According to a study conducted by a statistical organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.76. Suppose that a random sample of 100 Americans is obtained. a. Describe the sampling distribution of the sample proportion (P-hat) b. Using the distribution from part (a), what is the probability that at least 80 Americans in the sample are satisfied with their lives?
5. [10 points) According to a study conducted by a statistical organization, the proportion of Americans who are satisfied with the way things are going in their lives is 0.76. Suppose that a random sample of 100 Americans is obtained. a. Describe the sampling distribution of the sample proportion (P-hat) b. Using the distribution from part (a), what is the probability that at least 80 Americans in the sample are satisfied with their lives?
According to a study conducted by a statistical organization, the proportion of Americans who are satisfied with the way things are going in their lives is O.82. Suppose that a random sample of 100 Americans is obtained. Complete parts (a) through (c) (a) Describe the sampling distribution of p. Choose the correct answer below. O A. The distribution of p is uniform. O B. The distribution of p can be approximated by a normal distribution with = 0.076. =0.82 and...