one nanogram of uranium-238 will have an average 4 radioactive decays per second, and the number of decays will follow a Poisson Distribution. In a 1 second period, what is the probability that a. there are at most 3 decays? b. there are less than 5 decays? c. there are at least 6 decays? d. there are greater than 1 decay?

one nanogram of uranium-238 will have an average 4 radioactive decays per second, and the number of decays will follow a Poisson Distribution. In a 1 second period, what is the probability that a. there are at most 3 decays? b. there are less than 5 decays? c. there are at least 6 decays? d. there are greater than 1 decay?

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

Similar questions

#8
.,
According to a recent National survey of 200 High School students of driving age, 43 percent stated they text while driving at least once. Assume this percentage represents the true population proportion of High School student drivers who text while driving. Determine the probability that more than 53% High School students have texted while driving. a. 0.9979 b. none of these d. 0.0021 Oe.0.0286
Suppose a math class contains 41 students. There are 18 females (three of whom speak Spanish) and 23 males (six of whom speak Spanish). Give all answers as decimals to at least two decimal places.1. What is the probability that a randomly selected student speaks Spanish, given that the student is female? 2. What is the probability that a randomly selected student does not speak Spanish, given that the student is male? 3. What percent of Spanish speaking students are male? 4. If someone does not speak Spanish what is the probability they are female?
Suppose 5 students are going to take a test independently from each other and that the number of minutes that any student needs to finish the exam has an exponential distribution with mean 80.If the test starts at 9 a.m., determine the probability that at At least one of the students finishes the exam before 9:40 am.
2. The number of meteors found by a radar system in any 30-second interval under specified a. What is the probability that at least one meteor is found in a one-minute interval? ne meteors appear randomly b. Determine x such that the probability no meteor is found in x-minute interval is 0.02. UTM M UTM UTM c. If there is no meteor appear after two-minute interval, what is the probability that it UTM will appear in the next one and a half-minute interval? m UTM
Suppose that 55% of those who take a class pass. You take a random sample of 9 students from this class. Find the probability (round to three decimals) that: a. Exactly 2 of the students passed: b. More than 2 of the students passed : c. Less than 2 of the students : Submit Question