Using diaries for many week, a study on the lifestyles of visually impaired students was conducted The student kept track of many lifestyle variable including how many hours of sleep obtained on a typical day Researchers found that visually impaired students averaged 92 hours of sleep with a standard deviation of 245 hours Assume that the number of hours of sleep for these visually impaired students are normally distributed
a) What is the probability that a visually impaired student gets at most 63 hours of sleep?
b) What is the probability that a impaired student gets between 69 and 859 hours of sleep?
c) What is the probability that a visually impaired student gets at least 73 hours of sleep?
d) What is the sleep time that cuts off the top 113% of sleep hours?
e) If 200 visually impaired students were studied, how many students would you expect to have sleep time of more than 859 hours?
f) A school district wants to give additional assistance to visually impaired students with sleep times at the first quartile and lower What would be the maximum sleep time to be recommended for additional assistance?
Direct materials and manufacturing labor variances, solving unknowns. (CPA, adapted) On May 1, 2017, Bovar Company began the manufacture of a new paging machine known as ...Jul 19 2020
Explain the logic as to how Nelson’s three-day course could positively influence Gourmet Foods’ profitability.Jul 08 2020
You are analyzing the after-tax cost of debt for a firm. You know that the firmâs 12-year maturity, 9.10 percent semi-annual coupon bonds are selling at a price of $767...Jun 11 2021
A monopolist faces the inverse demand function described by p ? 50 − 4q, where q is output. The monopolist has no fixed cost and his marginal cost is $5 at all levels of ...Dec 13 2019
Label the following hypothetical demand scenarios. use the midpoint method:a) Contain Yourself, a plastic container company raises the price of its signature "lunchbox" c...Jun 10 2021
Chico Company allows its customers to return merchandise within 30 days of purchase. ∙ At December 31, the end of its first year of operations, Chico estimates future-pe...Aug 23 2020
If the Swap points are quoted in ascending order, as in the quotation given below, then to arrive at the outright forward rate, the swap points are:Nov 26 2019
May has been able to accumulate $10,000 in savings from her end-of-month salary and is seeking to invest this amount plus the regular monthly salary savings of $400 into ...Aug 16 2020
Which are the following are both an open-book management practice and an informal communication method? A. Water-foundation meetings B. Fire-side chats C. Grapevine sessi...Aug 27 2020
A government wants to reduce electricity consumption by 10%. The price elasticity of demand for electricity is -5. The government must the price of electricity by Marked...Apr 05 2021