The probability that a lab specimen contains high levels of contamination is 0.15. A group of...
The probability that a lab specimen contains high levels of
contamination is 0.15. A group of 5 independent samples are
checked.
Round your answers to four decimal places (e.g. 98.7654).
(a) What is the probability that none contain high levels of
contamination?
(b) What is the probability that exactly one contains high levels
of contamination?
(c) What is the probability that at least one contains high levels
of contamination?
Homework Answers
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The probability that a lab specimen contains high levels of
contamination is 0.15. A group of...
The probability that a lab specimen contains high levels of contamination is 0.15. A group of 4 independent samples are...
The probability that a lab specimen contains high levels of
contamination is 0.15. A group of 4 independent samples are
checked.
Round your answers to four decimal places (e.g. 98.7654).
(a) What is the probability that none contain high levels of
contamination?
(b) What is the probability that exactly one contains high levels
of contamination?
(c) What is the probability that at least one contains high levels
of contamination?
(a)
(b)
(c)
I'm not sure about my answers, could you please solve every question again? 1. The number...
I'm not sure about my answers, could you please solve every
question again?
1. The number of calls made to a mobile phone customer care service on a given day is a discrete random variable. • True O False 2. If the events A and B are disjoint, then A and B are independent. O True • False 3. Random assignment of treatments to units is required for one to infer the results of a sample to a population. •...
In a chemical plant, 24 holding tanks are used for final product storage. Four tanks are...
In a chemical plant, 24 holding tanks are used for final product storage. Four tanks are selected at random and without replacement. Suppose that four of the tanks contain material in which the viscosity exceeds the customer requirements. Round your answers to three decimal places (e.g. 98.765) (a) What is the probability that exactly one tank in the sample contains high-viscosity material? (b) What is the probability that at least one tank in the sample contains high-viscosity material? (c) In...
The probability that a sample is contaminated is .02. What is the probability that exactly 100...
The probability that a sample is contaminated is .02. What is the probability that exactly 100 samples need to be tested before one is found with contamination? Assume the samples are independent. Round your answer to four decimal places.
The probability that a customer's order is not shipped on time is 0.06. A particular customer...
The probability that a customer's order is not shipped on time is 0.06. A particular customer places three orders, and the orders are placed far enough apart in time that they can be considered to be independent events. Round your answers to four decimal places (e.g. 98.7654) (a) What is the probability that all are shipped on time? (b) What is the probability that exactly one is not shipped on time? (c) What is the probability that two or more...
The probability that your call to a service line is answered in less than 30 seconds...
The probability that your call to a service line is answered in less than 30 seconds is 0.65. Assume that your calls are independent. (a) If you call 10 times, what is the probability that exactly 9 of your calls are answered within 30 seconds? Round your answer to four decimal places (e.g. 98.7654) (b) If you call 20 times, what is the probability that at least 16 calls are answered in less than 30 seconds? Round your answer to...
A congested computer network has a 0.006 probability of losing a data packet and packet losses...
A congested computer network has a 0.006 probability of losing a data packet and packet losses are independent events. A lost packet must be resent. Round your answers to four decimal places (e.g. 98.7654) (a) What is the probability that an e-mail message with 100 packets wl need any resent? (b) What is the probability that an e-mail message with 3 packets will need exactly one to be resent? (c) If 10 e-mail messages are sent, each with 100 packets,...
Question 7 An electronic product contains 44 integrated circuits. The probability that any integrated circuit is...
Question 7 An electronic product contains 44 integrated circuits. The probability that any integrated circuit is defective is 0.02, and the integrated circuits are independent. The product operates only if there are no defective integrated circuits. What is the probability that the product operates? Round your answer to four decimal places (e.g. 98.7654). The probability is Question 9 Your answer is partially correct. Try again. An article in Information Security Technical Report ("Malicious Software-Past, Present and Future" (2004, Vol. 9,...
The probability that your call to a service line is answered in less than 30 seconds...
The probability that your call to a service line is answered in less than 30 seconds is 0.75. Assume that your calls are independent. (a) If you call 10 times, what is the probability that exactly 9 of your calls are answered within 30 seconds? Round your answer to four decimal places (e.g. 98.7654). 0.1877 (b) If you call 20 times, what is the probability that at least 16 calls are answered in less than 30 seconds? Round your answer...
Question 17 8 pts . In a clinic laboratory, the probability that a blood sample shows...
Question 17 8 pts . In a clinic laboratory, the probability that a blood sample shows cancerous cells is 0.05. Four blood samples are tested, and the samples are independent. . (a) What is the probability that none shows cancerous cells? (4 decimal places) (b) What is the probability that exactly one sample shows cancerous cells? (c) What is the probability that at least one sample shows cancerous cells? . (d) What is the probability that at least two of...
The probability that a lab specimen contains high levels of
contamination is 0.15. A group of 4 independent samples are
checked.
Round your answers to four decimal places (e.g. 98.7654).
(a) What is the probability that none contain high levels of
contamination?
(b) What is the probability that exactly one contains high levels
of contamination?
(c) What is the probability that at least one contains high levels
of contamination?
(a)
(b)
(c)
I'm not sure about my answers, could you please solve every
question again?
1. The number of calls made to a mobile phone customer care service on a given day is a discrete random variable. • True O False 2. If the events A and B are disjoint, then A and B are independent. O True • False 3. Random assignment of treatments to units is required for one to infer the results of a sample to a population. •...
In a chemical plant, 24 holding tanks are used for final product storage. Four tanks are selected at random and without replacement. Suppose that four of the tanks contain material in which the viscosity exceeds the customer requirements. Round your answers to three decimal places (e.g. 98.765) (a) What is the probability that exactly one tank in the sample contains high-viscosity material? (b) What is the probability that at least one tank in the sample contains high-viscosity material? (c) In...
The probability that a customer's order is not shipped on time is 0.06. A particular customer places three orders, and the orders are placed far enough apart in time that they can be considered to be independent events. Round your answers to four decimal places (e.g. 98.7654) (a) What is the probability that all are shipped on time? (b) What is the probability that exactly one is not shipped on time? (c) What is the probability that two or more...
The probability that your call to a service line is answered in less than 30 seconds is 0.65. Assume that your calls are independent. (a) If you call 10 times, what is the probability that exactly 9 of your calls are answered within 30 seconds? Round your answer to four decimal places (e.g. 98.7654) (b) If you call 20 times, what is the probability that at least 16 calls are answered in less than 30 seconds? Round your answer to...
A congested computer network has a 0.006 probability of losing a data packet and packet losses are independent events. A lost packet must be resent. Round your answers to four decimal places (e.g. 98.7654) (a) What is the probability that an e-mail message with 100 packets wl need any resent? (b) What is the probability that an e-mail message with 3 packets will need exactly one to be resent? (c) If 10 e-mail messages are sent, each with 100 packets,...
Question 7 An electronic product contains 44 integrated circuits. The probability that any integrated circuit is defective is 0.02, and the integrated circuits are independent. The product operates only if there are no defective integrated circuits. What is the probability that the product operates? Round your answer to four decimal places (e.g. 98.7654). The probability is Question 9 Your answer is partially correct. Try again. An article in Information Security Technical Report ("Malicious Software-Past, Present and Future" (2004, Vol. 9,...
The probability that your call to a service line is answered in less than 30 seconds is 0.75. Assume that your calls are independent. (a) If you call 10 times, what is the probability that exactly 9 of your calls are answered within 30 seconds? Round your answer to four decimal places (e.g. 98.7654). 0.1877 (b) If you call 20 times, what is the probability that at least 16 calls are answered in less than 30 seconds? Round your answer...
Question 17 8 pts . In a clinic laboratory, the probability that a blood sample shows cancerous cells is 0.05. Four blood samples are tested, and the samples are independent. . (a) What is the probability that none shows cancerous cells? (4 decimal places) (b) What is the probability that exactly one sample shows cancerous cells? (c) What is the probability that at least one sample shows cancerous cells? . (d) What is the probability that at least two of...
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