Answered: An average of 12 planes land at an…

An average of 12 planes land at an airport an hour. What is the probability that 2 planes will land at this airport in half an hour? a) 0.30 B) 0.70 NS) 0.028 D) 0.045 TO) 0.15

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...

See similar textbooks

Related questions

Q: The probability that a person living in a certain city owns a dog is estimated to be 0.3. Find the…

A: Given P=0.3

Q: Consider 92 independent observations. The probability of event A in a particular experiment is 0.03.…

A: From given we have : Event A happens in a particular experiment is 0.03 P(A)=0.03 Therefore, the…

Q: C. The probability that the the child will be older than 5 years old? | 0.8681 d. The probability…

A: Consider that the answer of the given part a, b, and c are the correct answer. And distribution is…

Q: and 4 black balls while Bag C contains 4 white and 4 black balls. One ball is drawn at random from…

A: We want to find probability that a white ball is drawn from bag A. we will define some events for…

Q: Estimate the probability of selecting a girl student from a class of 8 girls and 10 boys. O a. 4/9…

A: Given: Total=18Number of girls=8Number of boys=10 The probability of selecting a girl from a class…

Q: h) A factory is producing components, of which 1.9 % are defective. They are packed in boxes, each…

A: Given thatprobability that component is defective p = 1.9% = 0.019n = 15X ~Binomial(n, p) X ~…

Q: A pair of die is rolled. Find the probability of rolling: a. a sum more than 5 b. a sum not less…

A: Note the following list of all possible outcomes from a roll of a pair of die: (1,1) , (1,2) ,…

Q: What is the probability of getting at least 1 head on 5 successive tosses of a coin? a. 3/4 b.…

A: A coin is tossed 5 successive times. The total number of possible outcomes is, N=2n Here, n is the…

Q: A public park in Brooklyn occupies a rectangular plot of land measuring 239 m by 127 m. The park has…

A: what is the probabilty that it will land in the swimming pool

Q: calculator to find the probability indicated (keeping 4 decimals): a)P(Z2.58) b)P(Z0.45) c)P(Z>0)

Q: A news magazine publishes three columns entitled "Art" (4), "Books" (B), and "Cinema" C). Reading…

Q: A particular fruit's weights are normally distributed, with a mean of 583 grams and a standard…

A: Mean = 583 Standard deviation = 35 Sample size = 18

Q: Q102. A die is thrown and a card is selected at random from a deck of 52 playing cards. The…

A: A die is thrown and then a card is selected from 52 card deck. die has 6 outcomes : {1,2,3,4,5,6}out…

Q: The average number of customers who come to a supermarket is 10 people/hour. The probability that…

Q: Determine the following if 2 coins are tossed with possible outcomes of heads and tails. What is the…

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

Q: ACTIVITY 2. PROBABILITY Directions: Analyze and solve each problem 1. A card is drawn from a deck of…

A: Note: According to Bartleby guidelines, expert solve only one question and maximum 3 subpart of the…

Q: d) For which temperature is the probability 0.075 that it will be exceeded during one day?

A: d) The probability value is 0.075.

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: B. Answer what is asked from each number using proper probability notation and units wherever…

A: Given information: Respondent Sex Age Vaccination Status 1 M 49 4 2 M 60 2 3 M 71 3 4…

Q: 9. Find the probability, P(A and B), if P(A) = 0.8, P(B) = 0.52, and A and B are independent.…

A: Probability of P(A and B)=P(A)×P(B) Where A,B are two independent events

Q: An urn contains 5 red balls and 5 blue balls. Each ball is numbered: 1 to 5. Two balls are drawn.…

A: Probability The chances or likelihood of happening an event is referred to as probability. The…

Q: What is the probability of getting an even when you roll a die? a. 1/3 b. ½ c. ¼

A: Here, we know that, Sample space ( 1,2,3,4,5,6) Even numbers ( 2,4,6) Probability of getting an even…

Q: 3) A fair coin is tossed 1200 times. Use CLT to compute the probability that head appears at most…

A: The provided information is n=1200 p=1/2 A fair coin is tossed then Then mean is…

Q: A computer salesman averages 1.9 sales per week. Find the probability that in a randomly selected…

A: The number of events occurred over a interval or period of time follows a discrete distribution.…

Q: ssume that P(A) 0.3, P(ANB)= 0.25, and the probability that neither A nor B occurs is 0.2. What is…

A: Given that P(A)=0.3, P(A ∩ B)=0.25 , P(neither A nor B)==0.20

Q: The average number of calls per minute received by a telephone switchboard is 120. What is the…

Q: What is the probability that in a room of 10 random people, no 2 people share the same birthday?…

A: It is an important part of statistics. It is widely used.

Q: Use calculator to find the probability indicated (keeping 4 decimals): a)P(Z>-1.00)…

A: Solution-: We find the following indicated probability (a) P(Z>-1)=? (b) P(-2.15<Z<-1.09)=?…

Q: Select one: O A. 0.56 O B. 0.50 O C. Norm.dist(560 - 500) / (1000 * 0.5 * 0.5), O D. Norm.dist((560-…

A: Population proportion = 0.5 sample proportion = 0.56 n = 1000

Q: A machine produces a defective item 8 % of the time. A customer purchases a box of 60 of these…

A: Solution : Given : p= 0.08 n = 60 Let, X : Number of defective items Here X ~ B (…

Q: A platter contains 48 doughnuts: 26 cake, 13 glazed, and nine jelly-filled. Suppose two doughnuts…

A: Since we are selecting in succession, so the order matters. We will use the permutation method. We…

Q: A radioactive source emits particles at an average rate of one every 12 seconds. Find the…

A: Given problem Given that A radioactive source emits particles at an average rate of one every 12…

Q: uakes in the world each year. Find the probability of gettin

Q: A string of length 10 cm is cut at a randomly chosen point. Find the probability that the length of…

Q: . The chief of personnel of a company has come to the conclusion that 15% of employees check their…

A: Given that,Probability (p) = 0.15Number of cards(n) = 11

Q: How to find the probability the number on top is even or less than 3?

A: A die has 6- sides: 1, 2, 3, 4, 5, 6. The possible outcomes for the number on top is even or less…

Q: Illustration 16.38. From a bag containing 4 white and 6 red balls, two balls are drawn together.…

Q: An urn incudes 13 balls: 2 red, 4 white and 7 green balls. The probability of selecting 6 balls…

Question

25 -

An average of 12 planes land at an airport an hour. What is the probability that 2 planes will land at this airport in half an hour?

0.30

0.70

NS)

0.028

0.045

TO)

0.15

Expert Solution

Step 1

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Suppose 6 coins are tossed. Find the probability of tossing no heads. (Round to four decimal places.)
Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 6 of them use their smartphones in meetings or classes. The probability is 0.9502. (Round to four decimal places as needed.) CHE
Four coins are tossed what is the probability that a tail will show up in 3 cases? of Select one: O a. 3/12 ion O b. 4/10 O c. 3/8 O d. 1/4 Next page
What is the probability of getting an even when you roll a die? a. 1/3 b. ½ c. ¼
Given N(23.4, 6.2), the probability that X is less than 23.4, is: 0.25 0.75 0.67 0.5
Vehicles pass through a junction on a quiet road at an average rate of 9 per hour. 4 decimal places a) Find the probability that exactly 10 vehicles pass through a junction in a particular hour. b) Find the probability that more than one vehicle passes in a 15-minute interval
Final answers should be either in lowest-term Fraction or up to 4 decimal places only. For even smaller numbers, round off to the nearest non-zero digit.
??
Use calculator to find the probability indicated (keeping 4 decimals): a)P(Z<-1.17) b)P(Z<-0.05) c)P(Z>-2.43)
Dan tosses a fair pyramid die that has four sides 5 times. What is the probability he rolls at least 1 two? If necessary, round to 4 decimal places.