University personnel are concerned about the sleeping habits of students and the negative impact on academic performance. in a random sample of 377 u. s. college students, 209 students reported experiencing excessive daytime sleepiness (eds). is there sufficient evidence to conclude that more than half of u. s. college students experience eds? use a 5% level of significance. hide instructions 1–8 part a. test of significance

all group life insurance is term insurance. actually it is annual renewable term and it is rated on the average age and claims experience of the entire group, which is called "experience rating." remember, this type of insurance has a 31-day grace period and is convertible to whole life upon leaving employment. a contributory group plan requires that both the employer and the employees pay part of the premium. at least 75% of those eligible must participate, so the group is sure to get most of the healthy employees as well as those that are sick.

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the opening of this porabola is facing up

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