The probability that a single radar willdetect an enemy plane is .65.a. if there are 5 radar stations in use,what is the expected number Of Stationsthat mill detect an enemy plane?b. how many Stations ave required for 98%.Gertainty that an enemy plaie flying ovéraill be' detected by at lea'st one Statioz

If an experiment has two outcome only follows Bernoulli distribution. If the same experiment is…

Answered: The probability that a single radar…

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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a,b,c
d. There is a 30% chance that X is above what value? X= (Type an integer or decimal rounded to two decimal places as needed.)
A test was given to a group of students. The grades and gender are summarized below A C. Total Male 15 20 47 Female 18 41 Total 33 25 30 88 If one student is chosen at random from those who took the test, Find the probability that the student was female GIVEN they got a 'C'. Submit Question 10 1213
Which of the following graphs represent the situations and why
Suppose that the speed at which cars go on the freeway is normally distributed with mean 79 mph and standard deviation 9 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4 decimal places where possible.b. If one car is randomly chosen, find the probability that it is traveling more than 75 mph. c. If one of the cars is randomly chosen, find the probability that it is traveling between 78 and 81 mph. d. 60% of all cars travel at least how fast on the freeway? mph.
Suppose that the speed at which cars go on the freeway is normally distributed with mean 69 mph and standard deviation 7 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4 decimal places where possible.a. If one car is randomly chosen, find the probability that it is traveling more than 66 mph. b. If one of the cars is randomly chosen, find the probability that it is traveling between 72 and 76 mph. c. 84% of all cars travel at least how fast on the freeway? mph.
The number of ants per acre in the forest is normally distributed with mean 42,000 and standard deviation 12,360. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible.a. Find the probability that a randomly selected acre in the forest has fewer than 39,689 ants. b. Find the probability that a randomly selected acre has between 43,391 and 54,397 ants. c. Find the first quartile. ants (round your answer to a whole number)
Determine whether the value is a discrete random variable, continuous random variable, or not a random variable. a. The square footage of a house b. The weight of a T-bone steak c. The gender of college students d. The exact time it takes to evaluate 27+72 e. The number of light bulbs that burn out in the next week in a room with 10 bulbs f. The time required to download a file from the Internet
Use the data in the following table, which lists drive-thru Oder accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. A B C D Order Accurate 311 279 238 133 Order Not Accurate 32 56 35 16 If one order is selected, find the probability of getting an order from restaurant A or C or an order that is not accurate. (Round to three decimal places as needed)
Based on a poll, among adults who regret getting tattoos, 12% say that they were too young when they got their tattoos. Assume that nine adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (b) through (c) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos. 0.3165 (Round to four decimal places as needed.) b. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos. (Round to four decimal places as needed.) c. Find the probability that the number of selected adults saying they were too young is 0 or 1. (Round to four decimal places as needed.)
A random sample of 300 Italians found that 71.3% eat pasta at least twice a week. Build a 85% CI for the proportion of Italians who eat pasta at least twice a week. a. First, confirm that there are at least 5 successes and 5 failures: There are successes and failures. b. Enter your Cl answer like this: (min,max). Round to three decimals. Be sure to include the parentheses or you will be marked wrong. Submit Question
Based on a poll, among adults who regret getting tattoos, 28% say that they were too young when they got their tattoos. Assume that nine adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (a) through (d) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos. nothing (Round to four decimal places as needed.) b. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos. nothing (Round to four decimal places as needed.) c. Find the probability that the number of selected adults saying they were too young is 0 or 1. nothing (Round to four decimal places as needed.) d. If we randomly select nine adults, is 1 a significantly low number who say that they were too young to get tattoos? ▼ No, Yes, because the probability that ▼ less than 1 more than 1 exactly 1 at most 1 at least 1 of…

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