Suppose that 30% of all college students smoke cigarettes. A sample of 14 is selected randomly. What is the probability that between 6 and 8 (both inclusive) students smoke? Round your answer to four decimal places.
Suppose that 30% of all college students smoke cigarettes. A sample of 14 is selected randomly....
Suppose that 30% of all college students smoke cigarettes. A sample of 16 is selected randomly. . What is the probability that between 5 and 8 (both inclusive) students smoke? Round your answer to four decimal places.
suppose that 50% of all college students smoke cigarettes. a sample of 12 is selected randomly. what is the probability that between 6 and 10 (both inclusive) students smoke? round your answer to four decimal places.
The following represents a binomial experiment. Suppose that 42% of all college students smoke cigarettes. A sample of 26 is selected randomly. What is the probability that 12 students smoke? 0.142 10.92 0.420 0.462
Suppose that the weight students gain in their first year of college is Normally distributed with a mean of 10 pounds and a standard deviation of 2 pounds. (a) What is the probability that a randomly selected student will gain between 6 and 8 pounds? (b) Suppose we pick 5 students at random. What is the probability at least one will gain between 6 and 8 pounds? (c) If 30 students are randomly selected, what is the probability that the...
A preliminary survey shows that 34% of college students smoke. In a class of 37 students, what is the probability that more than 49% of the students smoke? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.) Probability ??
A preliminary survey shows that 31% of college students smoke. In a class of 40 students, what is the probability that more than 46% of the students smoke? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.) Probability
In a business class there are 14 men and 7 women. 5 students are randomly selected to present a topic. What is the probability that at least 1 of the 5 students selected is male? Express your answer as a fraction or a decimal number rounded to four decimal places.
According to a survey, 86% of high school students plan to attend college. Suppose 15 high school students are randomly selected. (round all answers to four decimal places) a.) Find the probability that all of them plan to attend college. Answer b.) Find the probability that exactly eight of them plan to attend college. Answer c.) Find the probability that at most eleven of them plan to attend college. Answer d.) Find the probability that at least twelve of them...
At a certain college, 50% of all students take advantage of free tutoring services. A sample of 36 students is selected. What is the probability that the proportion of students who take advantage of free tutoring services in the sample is between 0.475 and 0.580? Write only a number as your answer. Round to 4 decimal places for example 0.3748 ). Do not write as a percentage .
A college administration has conducted a study of 185 randomly selected students to determine the relationship between satisfaction with academic advisement and academic cours. They obtained the the following Information of the 66 students on academic probation, 32 are not satisfied with advisement; however, only 21 of the students not on academic probation are dissatisfied with advisement. What is the probability that a student selected at random is on academic probation and is satisfied with advisement? The probability is (Round...