manufacturer of aspirin claims that the proportion of headache sufferers who get relief with their aspirin is 63.8%. What is the probability that in a random sample of 430 headache sufferers, less than 58.4% obtain relief?   Probability = ???

Suppose that 24% of US adults favor an increase in taxes.  What is the probability that in a group of 8 random Americans, exactly 5 favor lower taxes? Answers should be percentages correct to two decimal places.

Migraine medication was administered to patients in that 12% experienced weight gain as a side effect. If a random sample of 15 patients were chosen what is the probability that exactly 4 experienced weight gain as a side effect?

The data in the following table show the association between cigar smoking and death from cancer for 135,096 men. Note: current cigar smoker means cigar smoker at time of death. E Click the icon to view the table. (a) If an individual is randomly selected from this study, what is the probability that he died from cancer? (b) If an individual is randomly selected from this study, what is the probability that he was a current cigar smoker? (c) If an individual is randomly selected from this study, what is the probability that he died from cancer and was a current cigar smoker? Data Table (d) If an individual is randomly selected from this study, what is the probability that he died from cancer or was a current cigar smoker? Died from Did Not Die Cancer from Cancer Never smoked cigars Former cigar smoker Current cigar smoker 117,794 8,821 7,367 887 53 174 Print Done

13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the estimate of the prevalence of stroke within the population. If 70 subjects are chosen at random from the population, what is the probability that 10 percent of less would report an incidence of stroke?

A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just two aspirins is 63.1%. What is the probability that in a random sample of 490 headache sufferers, less than 59.3% obtain relief? Probability =

According to a study conducted by a statistical organization the proportion of Americans were satisfied with the way things are going in her lives .82 supposed random sample of 110 Americans is obtained. The probability that 77 or fewer Americans in the sample are satisfied is?

The president of Doerman Distributors, Inc. believes that 30% of the firm's orders come from first-time customers.  A random sample of 100 orders will be used to estimate the proportion of first-time customers.  What is the probability that the sample proportion will be within .05?

A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just two aspirins is 63.8%. What is the probability that in a random sample of 580 headache sufferers, less than 59.5% obtain relief? Probability=?

According to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with autism by the age of 8 is 2.7%. If 150 boys under the age of 8 are randomly selected, find the probability that the average of them being diagnosed with autism is between 2.4% and 3.0%.