a) Mean = np = 450*0.43 = 194
Standard deviation = = 10.5
b) Interpretation: Option B is correct.
c) No
Suppose that a recent poll found that 43% of adults believe that the overall state of...
Suppose that a recent poll found that 48% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 200 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is (Round to the nearest whole number as needed.) The standard deviation of X is . (Round to the...
Suppose that a recent poll found that 66% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 350 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is nothing. (Round to the nearest whole number as needed.) The standard deviation of X is nothing. (Round to...
Suppose that a recent poll found that 57% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 400 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is The standard deviation of X is (b) Interpret the mean. Choose the correct answer below. A. For every 400 adults, the...
Suppose that a recent poll found that 53% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 400 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. (b) Interpret the mean. (c) Would it be unusual if 142 of the 300 adults surveyed believe that the overall state of...
Suppose that a recent poll found that 53% of adults believe that the overall state of moral values is poor. (a) For 300 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is _________. (Round to the nearest whole number as needed.) The standard deviation of X is ________. (Round to the nearest tenth as needed.)
Suppose that a recent poll found that 50% of adults in a certain country believe that the overall state of moral values is poor. If a survey of a random sample of 20 adults in this country is conducted in which they are asked to disclose their feelings on the overall state of moral values, complete parts (a) through (e) below. Click here to view the table for the binomial probability distribution. Click here to view the table for the...
Support that recent pol found that 50% of adults in a certain country believe that the overall state of moral values is poor a survey of a random sample of 15 adults in this country is conducted in which they are asked to disclose their feelings on the rate of moral values, como parts through to below Gero habet bominion Find and were the probably the exactly 10 of the surveyed to the vale of morali ispor The pray that...
Homework: Section 6.2 Homework Save Score: 0 of 10 pts 12 of 13 (8 complete) W Score: 61.79%, 85.8... 6.2.44 Assigned Media Question Help Suppose that a recent poll found that 61% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c). (a) For 200 randomly selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is...
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...
homework help please. graphs attached Question Help Suppose that a recent pol found that 40% of adults in a certain country believe that the prevall state of moral values is poor if a survey of a random sample of 15 adults in this country is conducted in which they are asked to disclose their feelings on the overal state of moral values, complete parts al through te below Cck here to view the other p ladsen Click here to view...