For numbers 2 to 4: Below is the probability distribution of the number of callsreceived by a switchboard operator within a one-hour interval, X.X = x23456P[X = x]0.130.270.270.180.040.022. What is the probability that at most 4 calls are received by theswitchboard operator within one hour interval?O A. 0.06B. 0.09O C. 0.94D. 1.00

Answered: Image /qna-images/answer/f1254469-d3f1-4e9e-a821-9e0b00d952c2.jpg

Answered: For numbers 2 to 4: Below is the…

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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If a seed is planted, it has a 55% chance of growing into a healthy plant. Let X be the number of seeds grow into healthy plants when 55 seeds are planted. a. What is the distribution of X?X - ? ✓ Please show the following answers to 4 decimal places. b. What is the probability that exactly 30 seeds grow into healthy plants? c. What is the probability that at most 30 seeds grow into healthy plants? d. What is the probability that more than 30 seeds grow into healthy plants? e. What is the probability that between 25 and 32 (including 25 and 32) seeds grow into healthy plants?
Q4. The data in the table below shows a distribution for the marital status of adults living in a particular city which classified according to gender "Male" and "Female". If an adult is selected at random, determine the probability that: 1- the adult selected is a female. 2- current status of the adult selected is not married. 3- the adult selected is a male, given that the adult selected is divorced. EI TT TI Single Married Widowed Divorced Total Male 100 250 25 40 415 Female 70 230 42 55 397 Total 170 480 67 95 812
Suppose the probability distribution of x, the number of defective tires on a randomly selected car checked at a certain inspection station, is given in the following table. 이 p(x) 0.60 0.14 0.05 0.03 0.18 X 0 1 (a) Calculate the mean value of x. 2 3 4 (b) What is the probability that x exceeds its mean value?
For numbers 2 - 8 The following data show the probability distribution of the number of computers sold daily in a computer shop during the past several months. Probability P(X) 0.05 Number of Computers X 1 0.10 2 0.15 3 0.20 4 0.25 0.25 2. Find the mean of the discrete random variable. а. 3.30 b. 3.25 с. 3.40 d. 3.45 3. What is the value of EX² * P(X)? a. 10.75 b. 1.86 с. 12.75 d. 2.19 4. What is the variance of the given discrete random variable? a. 10.75 b. 1.86 с. 12.75 d. 2.19 5. What is the standard deviation of the given discrete random variable? а. 3.28 b. 1.36 c. 3.57 d. 1.48 6. Which of the following interpretations represent the result of the problem? a. The mean of a discrete probability distribution is 3.40. It implies that in the long run the average number of computers sold daily in a computer shop during the past several months is 3.40. b. The standard deviation of the discrete probability distribution is 1.48. This implies that on the average, number of computers sold…
The following is the probability distribution for calls arrived at a switchboard of one of leading companies: No. Calls (X) P(X) 0.14 0.37 12 0.24 18 What is the Mean no. of Calls (p)? (Write your answer to the nearest 2 decimals)
Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in the English language were “e”s. Suppose random samples of 196 letters are selected from a book What is the probability that a random sample of 196 letters will contain at least 10% "e"s? Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places). Type your probability here. Express its value to four decimal places. Do not round.
Answer A-C
Please help me with this question.
2. The following probabilities are given for a certain life: 10P75 = 0.55, 20 P60 = 0.35, and = 0.65 15P 60 Evaluate (i) the probability that the life aged 60 will die between ages 75 and 85. (i the probability that the life aged 60 will die within age 80.
A student who is taking a stats class was assigned to watch the cars driving along Pereira Drive and count the number of people who are in each cars. Let Y be the number of people in a given car that the student observe. The following table shows the cdf of Y: 1 3 4 P(Y < y) 0.06 0.32 0.71 0.88 1 (a) What is the probability that a given car has 2 people in it? (b) What is the probability that a give car has 3 or more people in it. (c) What is the expected number of people in a given car that the student observe.
Suppose that 20% of the adult women in the United States dye or highlight their hair. We would like to know the probability that a SRS of size 200 would come within plus or minus 3 percentage points of this true value. In other words, find probability that ˆ p takes a value between 0.17 and 0.23.
Suppose the time it takes for guests to wait for an elevator at the lobby of a certain office building has a uniform distribution between 0 and 4 minutes. What is the probability that, the next time you need to take this elevator, you'll have to wait at most 1.6 minutes? (Your answer should be a decimal. Round to 4 decimal places if necessary.)

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