In a study, 37% of adults questioned reported that their health was excellent. A researcher wishes to study the health of people living close to a nuclear power plant. Among 14 adults randomly selected from this area, only 3 reported that their health was excellent. Find the probability that when 14 adults are randomly selected, 3 or fewer are in excellent health.
In a study, 37% of adults questioned reported that their health was excellent. A researcher wishes...
In a study, 40% of adults questioned reported that their health was excellent. A researcher wishes to study the health of people living close to a nuclear power plant. Find the probability that when 14 adults are randomly selected, 3 or fewer are in excellent health.Round to four decimal places.
In a study, 44% of adults questioned reported that their health was excellent. A researcher wishes to study the health of people living close to a nuclear power plant. Find the probability that when 14 adults are randomly selected, more than 3 are in excellent health. Round to nearest ten-thousandth.
In a study, 44% of adults questioned reported that their health was excellent. A researcher wishes to study the health of people living close to a nuclear power plant. Find the probability that when 14 adults are randomly selected, more than 3 are in excellent health. Round your answer to nearest ten-thousandth.
n study, 40% o adults questioned reported that her health was excelent. A researcher wishes to study the health o people living close to a nuclear power plant Fr d the prob health Round to four decimal places. y t at en 14 adults are a domy selecte 3 o e are in excelent OA. 0.0845 B. 00396 O C. 0.0813 O D. 0 1246
A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50% of this population prefers the color green. If 14 buyers are randomly selected, what is the probability that exactly 12 buyers would prefer green? Round your answer to four decimal places.
A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30% of this population prefers the color green. If 14 buyers are randomly selected, what is the probability that at least 5 buyers would prefer green? Round your answer to four decimal places.
A public health researcher wishes to study the dietary behavior of residents in Durham County. The researcher randomly contacts 35 county residents and collects data on their daily sugar intake and obtained a sample average of 37.4 grams of sugar per day and a sample standard deviation of 4.2 grams per day. Assume the mean daily sugar intake of all residents in the county is normally distributed. Construct a lower bound for a 95% confidence interval for the mean daily...
The probability that fewer than 37 of 162 eligible voters voted is __ #2 Assuming that the rate of 27.8% is correct the probability that 464 or more of the 1520 adults have sleepwalked is ___ #3 Homework: 12MML: Homework Score: 0 of 1 pt 6.6.9-T 4 of 7 (3 complete) HW Sco Use a normal approximation to find the probability of the indicated number of voters. In this case, assume that 161 eligible voters aged 18-24 are randomly selected...
A World Health Organization study (the MONICA project) of health in various countries reported that in Canada, systolic blood pressure readings have a mean of 123 and a standard deviation of 12. A reading above 149 is considered to be high blood pressure. (a) How many standard deviations away from the mean is a blood pressure reading of 149? z = (3 decimal places) (b) If systolic blood pressure in Canada is approximately normal, find the proportion of Canadians that...
Assume that when adults with smartphones are randomly selected, 55 % use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes.The probability is _______ Assume that when adults with smartphones are randomly selected, 49 % use them in meetings or classes. If 14 adult smartphone users are randomly selected, find the probability that fewer than 5 of them use their smartphones...