A set of 150 independent patients take anti-acid medication at the start of symptoms, and 80experience moderate to substantial relief within 90 minutes. Historically, 40% of patientsexperience relief within 90 minutes with no medication. If the medication has no effect,approximate the probability that 80 or more patients experience relief of symptoms.Include in the solution the binomial solution (final answers may not be exact due to rounding.Choose the nearest answer as necessary).a. 0.00131O b.0.00058c. NONEO d. 0.99942

Answered: A set of 150 independent patients take…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Smith works as a welder inspector in a shipyard. He knows from keeping track of good and poor welds that 5% of all welds down for the afternoon shift will be poor. Calculate the standard error of proportion of poor welds if Smith checks 300 welds. O 0.0126 0.0016 O 0.05 O 0.95
At an exhibition, the probability of visitors on the first day is 3/5. The ticket price for a visitor of all age is RM8.00 and the total number of visitors during the exhibition is 650. Calculate the amount of ticket payment collected on the first day.
Novak Djokovic, one of the top male tennis players in the world, makes a successful first serve 53% of the time. If he serves 15 times, what is the probability that he gets exactly 9 first serves in? Assume that each serve is independent of the others. Don't forget to identify the values of n, x, p, and q before computing. If the rate is given to you as a percent, remember to convert to decimal before using as your value for p. Use the binomial probability formula and write your answer as a decimal rounded to four places.
The mean percent of childhood asthma prevalence in 43 cities is 2.23%. A random sample of 34 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.7%? Interpret this probability. Assume that a 1.36%. The probability is (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. About % of samples of 34 cities will have a mean childhood asthma prevalence greater than 2.23%. O B. About % of samples of 34 cities will have a mean childhood asthma prevalence greater than 2.7%. O C. About % of samples of 43 cities will have a mean childhood asthma prevalence greater than 2.7%.
John works as a weld inspector in a shipyard. Because he keeps track of good and poor welds, he knows that 5% of all welds will be poor during the afternoon shift. What are the chances that the proportion of poor welds will be more than 0.083 based on a sample of 300 welds? O a 0.0044 Ob 0.9957 Ⓒc 0.0045 Od 0.9881
find the probability of guessing at least 9 out of 14 correctly. Round inetermediate calculations and final answers to three decimal places
A charity holds a raffle in which each ticket is sold for $30. A total of 12,000 tickets are sold. They raffle one grand prize which is a Mercedes Benz E350 valued at $45,000 along with 4-second prizes of Kawasaki motorcycles valued at $9,000 each. What are the expected winnings for a single ticket buyer? Express to at least three decimal place accuracy in dollar form (as opposed to cents).
A basketball player estimates that he makes 58 % of the free throws he takes. If he takes 15 shots, find the probability that he makes 11 of the 15 shots. (Report answer accurate to 4 decimal places.)
The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents. Pedestrian Intoxicated? Driver Intoxicated? Yes No Yes 53 No 246 W intoxicated or the driver was not intoxicated. If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was not prob Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. = Submit Question Lory R tudio 86°F Sunny Help K F4 % 5 21 T G B A 6 F5 Y H N & 7 F6 U J M 00 * 8 F7 K 75 이 SM 9 F8 L O F9 ? [ F10 + 11 ] F11 F12 Backspace Enter Shift Insert Print Screen Delete Home Scroll Lock End 10:17 AM 6/21/2022 PgUp Pause Break PgDn
his question refers to excavations at a national monument. One question the archaeologists asked was: Is raw material used by prehistoric Indians for stone tool manufacture independent of the archaeological excavation site? Two different excavation sites gave the information in the following table. Use a chi-square test with 5% level of significance to test the claim that raw material used for construction of stone tools and excavation site are independent. Excavation Site Material Site A Site B Row Total Basalt 756 559 1315 Obsidian 92 103 195 Pedernal chert 514 521 1035 Other 88 91 179 Column Total 1450 1274 2724 (a) What is the level of significance? (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)
The distances golf balls travel under laboratory testing conditions are normally distributed. The mean is 312 yards. The probability the golf ball travels further than 319 yards is 0.28. Find the probability a randomly selected golf ball travels between 305 yards and 319 yards. Express the answer as a decimal value rounded to the nearest hundredth.

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