According to a Gallup Poll, the probablity that a Republican approves of the death penalty is 64%.Answer the following a round each answer to three decimal places.a. If 13 republicans are selected, find the probability that exactly 9 approve of the death penalty.b. If 13 republicans are selected, find the probability that at least 7 approve of the death penalty.c. If 490 Republicans are randomly selected, find the mean number that approve of the deathpenaltyd. Find the standard deviation of the binomial distribution created in part C.

given data P( approves of the death penalty) = p = 0.64sample size (n) = 13x = no. of republicans…

Answered: According to a Gallup Poll, the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Q1: Fourteen concrete columns had been poured and the length of the columns were (in cm): 99, 98, 96, 92, 89, 112, 107, 106, 104, 102, 101, 99, 101, 94 a. Find frequency table. b. Draw histogram and polygon. Draw cumulative frequency. d. Find the probability of a column length less than 98.5 cm. e. Find the probability of a column length equal to 93 cm. с.
Please do not give solution in image formate thanku.
Answer letter a to c.
According to a magazine, as of January 2018, 8% of chief executive officers were women. Complete parts a through d based on a random sample of 12 CEOs. a. What is the probability that one corporate officer was female? The probability is 0.3837 (Round to four decimal places as needed.) b. What is the probability that fewer than four corporate officers were female? The probability is 0.9880 (Round to four decimal places as needed.) c. What is the probability that more than two corporate officers were female? The probability is (Round to four decimal places as needed.)
According to a study conducted by the Gallup organization, the proportion of Americans who are afraid to fly is 0.10. A random sample of 1100 Americans is taken and they are asked if they are afraid to fly. Find the probability that the sample portion of Americans in the sample who say they are afraid to fly is greater than 12. QUESTION REFERS TO DISTRIBUTION OF THE SAMPLING PROPORTION PHAT
In 2015, the average hours per week spent by high school students in educational activities was 6.5. Calculate the probability that one selected student will spend more than 10 hours per week in educational activities. a. 0.0668 O b. 0.0339 O c. 0.9661 O d. 0.9332
Take a case of tossing of 20 coins. Draw a probability distribution of all the exhaustive events possible in the case. Use excel for calculations and plotting.
The probability that a house in an urban area will be burglarized is 5%. If 20 houses are randomly selected, what is the mean of the number of houses burglarized? O A. 0.5 OB. 10 O C. 1 O D. 1.5 C
This is statistics and probability Please answer ASAP

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