I need solve this questions

QUESTION 10 The time until recharge for a battery in a laptop computer under common conditions is normally distributed with a mean of 280 minutes and a standard deviation of 50 minutes. What is the probability that a battery lasts at least five hours? Round your answer to 4 decimal places. QUESTION 11 Assume the cholesterol levels of adult women are normally distributed with a mean of 188 mg/dL and a standard deviation of 24. What is the probability that a randomly selected adult woman will have a cholesterol level of 149 mg/dL? 0.9479 0.0521 0.0001 Oo QUESTION 12 The time that it takes a randomly selected applicant for a programmer position to perform a certain task has a distribution that can be modeled by a normal distribution with a mean of 116 minutes and a standard deviation of 19 minutes. The fastest 9% are to be given advanced training. What task times qualify individuals for such training? Round your answer to the nearest minute. QUESTION 13 The lengths of time employees have worked at a corporation are normally distributed, with a mean of 11.3 years and a standard deviation of 2 years. In a company cutback, the lowest 10% in seniority are laid off. What is the maximum length of time an employee could have worked and still be laid off? Round your answer to one decimal place. QUESTION 14 The average length of time required to complete a college achievement test is approximately normal with a mean of 96 minutes and a standard deviation of 11 minutes. When should the test be terminated if you wish to allow sufficient time for 90% of the students to complete the test? Round your answer to the nearest minute. QUESTION 15 The EmSAT Math scores are normally distributed with a mean of 950 and a standard deviation of 100. Between what two values does the middle 70% of the scores lie? 846 and 1054 822 and 1078 786 and 1114 866 and 1034