The number of telephone calls received in the Statistics Department office between 12:00 noon and 1:00 p.m. has the followingprobability mass function:23 4a 0.10 0.15 0.05Number of calls X56 or moreProbability p(x)0.05 0.200.25Find the value of aО А. 0.30О В. 0.00O C. 0.20O D. 0.O E. 0.15

We have given that, Let X be the random variable having probability mass function, X :- 0…

Answered: The number of telephone calls received…

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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The table shows relative frequencies for red-green color blindness in one doctor's practice. M represents 'person is male' and C represents 'person is color-blind'. Use this table to find the following probability. P(MIC) = (Round to three decimal places, if necessary.) C M M' Totals C 0.042 0.008 0.05 C' 0.51 0.44 0.95 Totals 0.552 0.448 1.000
A sample of 51observations will be taken from an infinite population. The population proportion equals 0.85. The probability that the sample proportion will be between 0.9115 and 0.946 is a. 0.0345 O b. 0.8633 O c. 0.0819 d. 0.6900 NEXT PAGE AGE
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
. You are given the following. 470 = 0.04 471 = 0.05 • deaths are uniformly distributed within cach year of age. Calculate the probability that (70) will die between ages 70.5 and 71.5. a. Less than 0.0432 b. At least 0.0432, but less than 0.0437 C. At least 0.0437, but less than 0.0442 d. At least 0.0442, but less than 0.0447 e 0.0447 or more
You are a doctor ,a and on average you meet with 30 patients per day. Assuming the NHANES dataset is representative of your patient population, calculate the following. 1. The probability of a single individual having health insurance. = 0.8807812125569134 2. The probability that 3 people in a row will not have health insurance. 3. The probability that 1/3 of your 30 patients for the day do not have health insurance
Suppose that a screening test diagnoses 97% of sick people positive and 95% of healthy people negative. Assume that 7% of those screened are sick. If a screened person is chosen at random, then the probability of having a positive diagnosis is: O a. 0.0184 O b. 0.886 Oc. 0.406 O d. 0.594 O e. 0.114 Next p vity Jump to.. 2021
The table shows relative frequencies for red-green color blindness in one doctor's practice. M represents 'person is male' and C represents 'person is color-blind'. Use this table to find the following probability. P(MIC) = (Round to three decimal places, if necessary.) M M' Totals C 0.047 0.007 0.054 C' 0.549 0.397 0.946 Totals 0.596 0.404 1.000
Time left 1:2 In one sectlon of STAT 1811 course, there are 10 glrls and 20 boys. What Is the probability that in a randomly selected sample of two students from that section both will be glrls? O a. 0.3333 Ob. 0,1034 O c. 0.1111 d. 0.5000
B. A discrete random variable X has the following probability distribution: 1. 3 4. 1 2 P(X) y 6. 9. 9. 1. Find y. 2. Construct a probability histogram to describe P(X).
Assume that the time it takes the housekeeping crew of a local hotel to clean a room varies uniformly between 28 and 45 minutes. Calculate the probability that the next room will require less than 35 minutes to clean. Select one: a. 0.412 O b. 0.4 c. 0.588 d. 0.2
action=edit&resid=C08701F6876D7727!330&ithint=file%2cdocx&action=edit&wdNewAndOpenCt=1654742848849&wd Previous Ses 1. The following table shows the probability distribution for X = the number of traffic accidents reported in a day in a small city in the Rockies. X P(X) 0 0.25 1 0.30 0.20 0.10 0.10 5 0.05 a. What is the mear or expected number of accidents? b. What is the standard deviation of the number of accidents? an alarm in the presence of 2 3 4

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