Please show all work, I need help.
Please show all work, I need help. Find the following percentiles for the standard normal distribution....
Find the following percentiles for the standard normal distribution. Interpolate where appropriate. (Round your answers to two decimal places.) (a) 61st (b) 39th (c) 75th (d) 25th
can you help solve these 2 exercises. 31 and 32. explain please.thanks 30. Find the following percentiles for the standard normal distribution. Interpolate where appropriate. a. 91st b. 9th c. 75th d. 25th e. 6th 31. Determine za for the following values of α: Answer Answer C. α .663
Find the following percentiles for the standard normal distribution. Interpolate where appropriate. (Round your answers to two decimal places.) (a) 81st (b) 19th (c) 76th (d) 24th (e) 10th
a) Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal places. You may need to use the appropriate table in the Appendix of Tables to answer this question.) P(Z > 1.07) = b) Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal...
Find the following probabilities for the standard normal distribution in R or using the standard normal table. Note I always recommend drawing the distribution. (Round your answers to four decimal places) ### Example R code mu-o: sigma = 1: x = x; # Note you will have to change the value of x. pnorm(x,mu.sigma) (a) PIX s 0.41) (b) P(X 2041) () PIXs-4.25) Find the following percentiles for the standard normal distribution in Ror using the standard normal table. (Round...
I need help. PLEASE DONT USE THE STANDARD NORMAL DISTRIBUTION TABLE. use normalcdf as part of your answer. Thank you W 8.1.15 = 71 and o = 27. Suppose a simple random sample of size n-81 is obtained from a population with (a) Describe the sampling distribution of x. (b) What is P (x > 75.2)? (c) What is P (xs 63.5) ? (d) What is P (67.55 < x < 77.15) ? Click here to view the standard normal...
Please Help with BOTH 1) 2) Determine the following: (a) The 95th percentile of the chi-squared distribution with v 7 (Round your answer to three decimal places.) (b) The 5th percentile of the chi-squared distribution with v 7 (Round your answer to three decimal places.) (c) P(11.689 2 s 38.076), where2 is a chi-squared rv with v 23 (d) P<14.611 orx2 >37.652), where2 is a chi-squared rv with v = 25 You may need to use the appropriate table in...
Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal places. You may need to use the appropriate table in the Appendix of Tables to answer this question.) P(0.4 < Z < 1.97) =
I need 3b and 3c Cicrise gives you practice putting it all together The following table shows the age distribution of cases of a certain disease reported during a year in a particular state. Age Number of Cases 5-14 15-24 25-34 35-44 45-54 55-64 10 20 TOTAL 75 3a. Construct a frequency table with columns for class endpoints, class midpoint, frequency, relative frequency, cumulative frequency, and cumulative relative frequency 3b. Construct a cumulative relative frequency plot of the data. Use...
5. 1/1 points Previous Answers MendStat15 6.2.025. Les z be a standard normal random variable with mean and standard deviation - 1. Find the percentile. (Round your answer to two decimal places.) 20.15 or the 85th percentile You may need to use the appropriate appendix table or technology to answer this question. Need Help? Read Woh Talk to a Tuter Viewing Seved Work Ravert to Last Response 6. 0/1 points Previous Answers MendStat15 6.2.039. and standard deviation a specified below....