26. The probability of Marcelina scoring above an 85 in a Statistics3What is the probability of her scoring above an 85 in4test is-exactly three of the four tests this second grading period?

Answered: 26. The probability of Marcelina…

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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10. Help plz
Mean is 100, dtandard deviation is 15, IQ values are 100, 120, 88, 92, 65. What is probability in finding a person qhos IQ is less than 90, more than 100 and betwen 90 and 100? How do I calculate this by hand.
I'm having a hard time understanding this question could you help me, please?
I need help with this one please thank you.
The scientist claims that 8% of viruses are airborne if the scientist is accurate what is the probability that the proportion of airborne viruses in a sample of 496 viruses would differ from the population proportion by greater than 3% round your answer to 4 decimal places
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5. (Solve using pen and paper) Cans of salmon are supposed to have a net weight of 6 oz. The canner says that the net weight is a random variable with mean m=6.05 oz. and stand. dev. s=.18 oz. Suppose you take a random sample of 36 cans and calculate the sample mean weight to be 5.97 oz. a. Find the probability that the mean weight of the sample is less than or equal to 5.97 oz.
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2) The probability that a randomly selected student is female given that the student received a business degree, is

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26. The probability of Marcelina scoring above an 85 in a Statistics 3 What is the probability of her scoring above an 85 in 4 test is exactly three of the four tests this second grading period?