(c) Suppose n = 65 and p = 0.26. (For each answer, enter a number. Use 2 decimal places.) n.p = n-q = Can we approximate p by a normal distribution? Why? (Fill in the blank. There are four answer blanks. A blank is represented by .) be approximated by a normal random variable because first blank O Yes O No second blank O can O cannot

(c) Suppose n = 65 and p = 0.26. (For each answer, enter a number. Use 2 decimal places.) n.p = n-q = Can we approximate p by a normal distribution? Why? (Fill in the blank. There are four answer blanks. A blank is represented by .) be approximated by a normal random variable because first blank O Yes O No second blank O can O cannot

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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K Determine whether the given procedure results in a binomial distribution. If not, state the reason why. Rolling a single die 53 times, keeping track of the "fives" rolled. OA. Not binomial: the trials are not independent. B. The procedure results in a binomial distribution. OC. Not binomial: there are more than two outcomes for each trial. OD. Not binomial: there are too many trials.
= 4 Determine whether the given procedure results in a binomial distribution. If not, state the reason why. Choosing 11 marbles from a box of 40 marbles (19 purple, 8 red, and 13 green) one at a time without replacement, keeping track of the number of red marbles chosen. O Not binomial: there are more than two outcomes for each trial O Binomial O Not binomial: the trials are not independent Continue Submit Assignmen O2022 McGraw Hill LLC. All Rights Reserved. Terms of Use |Privacy Center Accessibility MacBook Air 80 888 DII DD F2 F3 F4 F5 F6 F7 F8 F9 F10 F11
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K A study was done on proctored and nonproctored tests. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal A. Ho H1 H2 H₁ H₁ H₂ ỌC. Hồ Hi-12 H₁: Hy > H₂ 0 в. Но 141=12 H₁ H₁ H₂ O D. Ho 11 #₂2 H₁ H1 H₂ The test statistic, t, is (Round to two decimal places as needed) The P-value is (Round to three decimal places as needed.) State the conclusion for the test. Proctored Nonproctored H 144 n 34 CIXS 77.58 11.08 12 31 81.91 21.24 A. Reject Ho There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. OB. Fail to reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. C. Fail to reject Ho. There is not sufficient evidence to support the…
Assume the random variable X is normally distributed with mean = 50 and standard deviation σ = 7. Find the 77th percentile. Click the icon to view a table of areas under the normal curve. The 77th percentile is (Round to two decimal places as needed.) n example Get more help - Clear all Check answer
5A professor at a local. universily ok her students were hormally distnibuted with a mean of noted that the grade 78 and a Standard deviahon of 1o. a The profesor has informed us Hhat 16.6 percent of her Students recieved arades of A. What is the minium Score Ineeded to receive a grade of A? 1 12.1percent of her students failed the course and reci F3, What was the maximum s core those who recieve- among Cf 33 percent of the students recieve d grades B or bet A's and B's), What is the minimum Score of Those who a ber higher !
Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml). 95 86 82 The sample mean is x ≈ 93.8. Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a normal distribution, and we know from past experience that o = 12.5. The mean glucose level for horses should be μ = 85 mg/100 ml. + Do these data indicate that Gentle Ben has an overall average glucose level higher than 85? Use a = 0.05. (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? H₁:μ >85; H₁: μ = 85; right-tailed 107 99 108 82 91 ⒸH₁: μ = 85; H₁: μ 85; two-tailed H₁: μ = 85; H₁: >85; right-tailed H₁: μ = 85; H₁₂ : μ< 85; left-tailed (b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. The Student's t, since n is large with unknown…
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Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D ipe Order Accurate 339 272 243 121 Order Not Accurate 39 59 34 11 IG 656 The probability of getting an order from restaurant C or D or an order that is not accurate is. (Round to three decimal places as needed.) Project ...pptx Enter your answer in the answer box and then click Check Answer. Check Answer Clear All All parts showing étv A 1,449 48 41 MAR