b) Studies show that some people who are fully vaccinated against COVID-19 will still get sick. Suppose that out of 10,000 people who are fully vaccinated, an average of one person will get sick. Kajian menunjukkan bahawa sebilangan orang yang diberi vaksin sepenuhnya bagi melawan COVID-19 masih boleh jatuh sakit. Andaikan bahawa daripada 10,000 orang yang diberi vaksin sepenuhnya, secara purata, satu orang akan jatuh sakit. i. Find the probability that exactly four persons will get sick. Cari kebarangkalian bahawa secara tepat empat orang akan jatuh sakit. ii. The probability that at least r person get sick is 0.2642. What is the value of r? Kebarangkalian sekurang-kurangnya r orang jatuh sakit ialah 0.2642. Berapakah nilai r? ii. If 50,000 people are selected at random, what is the probability that between three to seven people (inclusive) will get sick? Jika 50,000 orang dipilih secara rawak, berapakah kemungkinan antara tiga hingga tujuh orang (termasuk) akan jatuh sakit?

b) Studies show that some people who are fully vaccinated against COVID-19 will still get sick. Suppose that out of 10,000 people who are fully vaccinated, an average of one person will get sick. Kajian menunjukkan bahawa sebilangan orang yang diberi vaksin sepenuhnya bagi melawan COVID-19 masih boleh jatuh sakit. Andaikan bahawa daripada 10,000 orang yang diberi vaksin sepenuhnya, secara purata, satu orang akan jatuh sakit. i. Find the probability that exactly four persons will get sick. Cari kebarangkalian bahawa secara tepat empat orang akan jatuh sakit. ii. The probability that at least r person get sick is 0.2642. What is the value of r? Kebarangkalian sekurang-kurangnya r orang jatuh sakit ialah 0.2642. Berapakah nilai r? ii. If 50,000 people are selected at random, what is the probability that between three to seven people (inclusive) will get sick? Jika 50,000 orang dipilih secara rawak, berapakah kemungkinan antara tiga hingga tujuh orang (termasuk) akan jatuh sakit?

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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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

b) Studies show that some people who are fully vaccinated against COVID-19 will still get
sick. Suppose that out of 10,000 people who are fully vaccinated, an average of one person
will get sick.
Kajian menunjukkan bahawa sebilangan orang yang diberi vaksin sepenuhnya bagi
melawan COVID-19 masih boleh jatuh sakit. Andaikan bahawa daripada 10,000 orang
yang diberi vaksin sepenuhnya, secara purata, satu orang akan jatuh sakit.
i.
Find the probability that exactly four persons will get sick.
Cari kebarangkalian bahawa secara tepat empat orang akan jatuh sakit.
ii. The probability that at least r person get sick is 0.2642. What is the value of r?
Kebarangkalian sekurang-kurangnya r orang jatuh sakit ialah 0.2642. Berapakah
nilai r?
ii.
If 50,000 people are selected at random, what is the probability that between three to
seven people (inclusive) will get sick?
Jika 50,000 orang dipilih secara rawak, berapakah kemungkinan antara tiga hingga
tujuh orang (termasuk) akan jatuh sakit?

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