FRin the blanks below to make a true statement.In a binomial experiment with n trials and probability of success p, if np(1-p)10, the binomial random variable X is approximately normal withP.npand-np(1-p).Try againCopyright © 2022 Pearson Education Inc. All rights reserved. I Terms of Use I Evy PoY I B CRhp

According to the given information in this question If np ≥ 10 and.nq ≥ 10 then the binomial…

Answered: In a binomial experiment with n trials…

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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Let a be a random variable representing the percentage of protein content for early bloom alfalfa hay. The average percentage protein content of such early bloom alfalfa should be u = 17.2%. A farmer's co-op is thinking of buying a large amount of baled hay but suspects that the hay is from a later summer cutting with lower protein content. A small amount of hay was removed from each bale of a random sample of 50 bales. The average protein content from the samples was determined by a local agricultural college to be -15.8% with a sample standard deviation of S = 5.3%- At a = .05, does this hay have lower average protein content than the early bloom alfalfa?
Suppose we have a binomial experiment in which success is defined to be a particular quality or attribute that interests us. Refer to screenshot. (a) Suppose n = 27 and p = 0.23. Can we approximate p̂ by a normal distribution? Why? (Use 2 decimal places.) for the second part the options are: (Yes, no) p̂ (can, cannot) be approximated by a normal random variable because (np exceeds, np and nq do not exceed, nq exceeds, nq does not exceed, both np and nq exceed, np does not exceed) ___________ (fill in blank). What are the values of ?p̂ and ?p̂? (Use 3 decimal places.)
What is the expected number of successes for a binomial distribution when n = 5 and p = 0.3? U np and o - Vnpq
Mike has a deck of standard poker cards with some cards missing. He wants to estimate the probability, p, of drawing a spade. Every day he makes an experiment. At the end of each experiment, he records the maximum likelihood estimator of the probability of observing a spade and places the drawn card back and shuffles the deck. Let X; be a random variable, taking value 1 if the i-th card draw of an experiment results in an even number and 0 if it results in an odd number. Clearly, X, ~ Bernoulli(p). Recall the MLE of a Bernoulli is p MLE The following are the outcomes of 5 experiments, one of which involved 8 card draws, two of which involved 6 card draws and two of which involved 4 card draws. Which experiments lead to the same MLE of p? Select all that apply. O (1 = 0, x2 = 1, r3 = 0, x4 = 0, r; 1, 6 = 0, x7 = 1, Is = 1, xg = 0, r10 = 1, 111 = 0, 112 = 0) O (1 = 1, a2 = 0, r3 = 1, x4 = 1) O ( = 0, x2 = 0, r3 = 0, r4 = 0) O (21 = 0, x2 = 1, £3 = 0, T4 = 0, x5 = 0, x6 = 0, r7 = 1, rg 0)…
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A process yields 10% defective items. If 100 items are randomly selected from the process, use normal approximation to find the following probabilities, where X is a binomial random variable. QUESTION: 1. The number of defectives exceeds 13. NOTE: Answer in 4 decimal places. 2. The number of defectives is less than 8. NOTE: Answer in 4 decimal places.
The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects that only 10.5% of his customers buy a magazine and he thinks that he might be able to use the display space to sell something more profitable. Before making a final decision, he decides that for one day he will keep track of the number of customers that buy a magazine.(a) Explain why this is a binomial experiment. ____________________(b) Assuming his suspicion that 10.5% of his customers buy a magazine is correct, what is the probability that exactly 5 out of the first 10 customers buy a magazine? ___________Give your answer as a decimal number rounded to two digits.(c) What is the expected number of customers from this sample that will buy a magazine?____________
Q3
If Xis a random variable having a binomial distributionwith n = 20 and p = 0.4, and Y is a transformed version of X,where Y = 2X + 3, what is the expected value of Y?
Suppose we are planning a clinical trial and expect a 20% success rate in the active group and a 10% success rate in the placebo group. We expect to enroll 100 participants in each group and are interested in the power of the study. (a) Perform a simulation study, and generate 100 participants from a binomial distribution with p = 0.2 and 100 participants from a binomial distribution with p = 0.1. Test to determine whether the observed sample proportion of successes are significantly different, using a two-sided test with a = 0.05. (b) Repeat the Problem (a) simulation 1000 times, and compute the proportion of simulations in which a significant difference is found (i.e., an estimate of the power of the study).
The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects that only 9.6% of his customers buy a magazine and he thinks that he might be able to use the display space to sell something more profitable. Before making a final decision, he decides that for one day he will keep track of the number of customers that buy a magazine. (a) Explain why this is a binomial experiment. _____________________________________(b) Assuming his suspicion that 9.6% of his customers buy a magazine is correct, what is the probability that exactly 5 out of the first 13 customers buy a magazine? Give your answer as a decimal number rounded to two digits. ____________________(c) What is the expected number of customers from this sample that will buy a magazine? ________________________________
The owner of a small deli is trying to decide whether to discontinue selling magazines. He that only 10.9% of his customers buy a magazine and he thinks that he might be able to use the display space to sell something more profitable. Before making a final decision, he decides that for one day he will keep track of the number of customers that buy a magazine. suspects (a) Explain why this is a binomial experiment. (b) Assuming his suspicion that 10.9% of his customers buy a magazine is correct, what is the probability that exactly 2 out of the first 13 customers buy a magazine? Give your answer as a decimal number rounded to two digits. (c) What is the expected number of customers from this sample that will buy a magazine?

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In a binomial experiment with n trials and probability of success p, if np(1-p) 10, the binomial random variable X is approximately normal with np and 1-np(1-p) Try again