18Select the correct answer.A geologist finds out that a radioactive substance A that he found in the caves of Africa decays at a rate of 0.03 percent every year. What is theprobability that an atom of this substance chosen at random will decay in the next 70 years?O A. 0.0208O B.0.0265OC.0.0421OD.0.0465

Answered: Image /qna-images/answer/a2669740-60fb-4801-b17a-3c9fb4469717.jpg

Answered: Select the correct answer. A geologist…

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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Similar questions

1. A password consists of 5 letters (not case sensitive) followed by 2 digits. How many passwords are possible? How many passwords would be possible if the first two letters had to be two different vowels and no letters can repeat?
QUESTION 25 F5 tornadoes occur in a particular state according to a Poisson process at a rate of λ = 0.2 per year. What is the probability that no tornadoes occur in the state over an 8-year period? O A.0.20 OB. 0.40 O C. 0.60 O D. 0.80
Question The l, column of a mortality table is calculated by the formula: l, = 1,000, 000 – 100x² for 0 0.075 but 0.095 but 0.105 E
Question 7.6.5 Dartmouth Distribution Warehouse makes deliveries of a large number of products to its customers. It is known that 82% of all the orders it receives from its customers are delivered on time. Let p be the proportion of orders in a random sample of 100 that are delivered on time. Find the probability that the value of p will be between 0.76 and 0.84. Round your answer to four decimal places.
QUESTION 8 The time required to complete a particular assembly operation has a uniform distribution between 25 and 50 minutes. Then the probability that the assembly operation will require more than 40 minutes to complete is given as: = (50 – 40) / (50 – 25) = 0.40 O True O False
QUESTION 8 You may need to use the appropriate appendix table or technology to answer this question. A population proportion is 0.50. A sample of size 100 will be taken and the sample proportion p will be used to estimate the population proportion. (Round your answers to four decimal places.) (a) What is the probability that the sample proportion will be within ±0.03 of the population proportion? (b) What is the probability that the sample proportion will be within ±0.05 of the population proportion?
Question 2: Exponential distribution The distance X between two successive faults in a metallic wire is an exponential random variable with parameter A = 1.3 faults per cm (centimeter). Answer the following questions. 1. Calculate the probability of P(X<1) 2. Find the probability of P(o.9 < Xs 1.7) 3. Calculate the probability that the distance between two successive faults will be greater than 3 mm (millimeters)

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