a) Use Excel function
NORMSINV(0.0212)
= -2.03
So, Z scores are 2.03 and -2.03
b) NORMSINV(0.86+(0.14/2))
= 1.48
Find the indicated z-scores shown in the graph Click to view page 2 of the table...
VI HW Score: 23.53%, 4 of 17 pts 25.3.9 Question Help se the standard normal table to find the 2-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is hallway between two entries, use the score halay between the corresponding 2-cores. If convenient, use technology to find the score P20 Click to view page 1 of the title Click to view. 2 of the...
z .09 .08 .07 .06 .05 .04 .03 .02 .01 .00 z -3.4 0.0002 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 -3.4 -3.3 0.0003 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0005 0.0005 0.0005 -3.3 -3.2 0.0005 0.0005 0.0005 0.0006 0.0006 0.0006 0.0006 0.0006 0.0007 0.0007 -3.2 -3.1 0.0007 0.0007 0.0008 0.0008 0.0008 0.0008 0.0009 0.0009 0.0009 0.0010 -3.1 -3.0 0.0010 0.0010 0.0011 0.0011 0.0011 0.0012 0.0012 0.0013 0.0013 0.0013 -3.0 -2.9 0.0014 0.0014 0.0015 0.0015 0.0016 0.0016 0.0017 ...
Suppose a random sample of size 15 is taken from a normal population with mean 25 and standard deviation 5; and a second, independent random sample of size 21 is taken from a normal population with mean 10 and standard deviation 4. Find the probability P(X- X2 2 17). (Use Appendix Table 3. Give your answer to four decimal places.) p(7. - 12 2 17) = 1.282 Incorrect Table In Standard Normal Distribution Cumulative Probabilities Let 2 be a standard...
A random sample of 20 chocolate energy bars of a certain brand has, on average, 210 calories per bar, with a standard deviation of 15 calories. Construct a 99% confidence interval for the true mean calorie content of this brand of energy bar. Assume that the distribution of the calorie content is approximately normal. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Click here...
A survey of 2317 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 401 have donated blood in the past two years. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated...
Question Help 5.3.29 Find the z-scores for which 28% of the distribution's area lies between -z and z Click to view page 1 of the table Click to view page 2 of the table The z-scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.) Enter your answer in the answer box and then click Check Answer All parts showing Clear All Check Arswer X Standard Normal Table (Page 1) 0.04 3.4 0.0002...
Question 3 (9 marks) Consider the following information about a non-dividend paying stock: The current stock price is $36, and its return standard deviation is 30% per year. The continuous compound risk-free rate is 3% per year. Assume that the Black-Scholes model correctly prices all the options written on the stock given the information above. a). A call option written on the stock expires in 1 year and has an exercise price of $36. Calculate the Black-Scholes value of the...
5.3.35 i Question Help The average time spent sleeping (in hours) for a group of medical residents at a hospital can be approximated by a normal distribution, as shown in the graph to the right Answer parts (a) and (b) below Sleeping Times of Medical Residents 6.5 hours Click to view page 1 of the table Click to view page 2 of the table Hours (a) What is the shortest time spent sleeping that would still place a resident in...
Use the normal distribution to compute probability Question Determine the area under the standard normal curve that lies to the right of the z-score -1.36 and to the left of the z-score -1.21 0.02 0.00 0.01 0.03 0.04 0.05 0.06 0.07 0.08 0.09 Z 0.0548 0.0526 0.0516 0.0505 0.0465 -1.6 0.0537 0.0495 0.0485 0.0475 0.0455 0.0655 0.0643 0.0630 0.0618 0.0606 0.0594 0.0582 -1.5 0.0668 0.0571 0.0559 -1.4 0.0778 0.0764 0.0749 0.0735 0.0694 0.0681 0.0808 0.0793 0.0721 0.0708 0.0951 0.0934 0.0918...
Find the area of the indicated region under the standard normal curve Click here to view page 1 of the standard normal table Click here to view page 2 of the standard normal table 1.4 The area between z 0 and z# 1.4 under the standard normal curve is (Round to four decimal places as needed.) L] The time spent (in days) waiting for a heart transplant for people ages 35-49 can be approximiated by the normal distribution, as shown...