A research institute reports that 73% of workers reported that they and/or their spouse had saved some money for retirement Complete parts a and b below a. If a random sample of 40 workers is taken, what is the probability that fewer than 23 workers and/or their spouses have saved some money for retirement? The probability is (Round to four decimal places as needed)

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A standard pair of six-sided dice is rolled. What is the probability of rolling a sum less than 10? Express your answer as a decimal rounded to four decimal places.

Of the last 60 people who went to the cash register at a department store, 13 had blond hair, 19 had black hair, 22 had brown hair, and 6 had red hair. Determine the empirical probability that the next person to come to the register has blond hair.

A survey showed that 83% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 18 adults are randomly selected, find the probability that at least 17 of them need correction for their eyesight. Is 17 a significantly high number of adults requiring eyesight correction? ... The probability that at least 17 of the 18 adults require eyesight correction is (Round to three decimal places as needed.)

The probability that a randomly selected 40- year old female will live to be 41 - year old is 0.988 according to study. What is the probability that two randomly selected 40-year-old women will live to be 41 years old?

Suppose that jurors are selected randomly from an adult population. What is the probability that all 12 jurors are white when 67% of the population is white? Round your answer to three decimal places.

according to JD Power and associates 2006 Initial Quality study, customers reported an average of 1.8 problems per vehicle with new 2006 volkswagens. in a randomly selected new Volkswagen, what is the probability of more than 3 problems. Around your answer to 4 decimal places

A standard pair of six-sided dice is rolled. What is the probability of rolling a sum less than 9? Express your answer as a fraction or a decimal number rounded to four decimal places.

A survey showed that 79​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their eyesight. If 15 adults are randomly​ selected, find the probability that at least 14 of them need correction for their eyesight. Is 14 a significantly high number of adults requiring eyesight​ correction? The probability that at least 14 of the 15 adults require eyesight correction is nothing. ​(Round to three decimal places as​ needed.)