43. Math scores on the SAT are normally distributed with mean at 500 points and a standard deviation of 100 points. If 1000 students take the SAT how many would be expected to have a math score above 700 points? a. 125 b. 23 c. 50 d. 47

Q: The mean, μ, and standard deviation o respectively Oμ = 3.00, o = 1.40 Oμ = 1.40, o = 2.89 Oμ= 2.89,…

A: Given The probability of at least three, P(x > 4))=p(x=4) +p(x=5) =(0.36) +(0.10) =0.46

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A: We have given that data . 8, -9, 1, 9, 9, 7, 2, 10, 5, 82 Sample size n =10

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A: Sample size (n) = 8 Significance level (α) = 1 - 0.95 = 0.05

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A: Given that  Sample size n =100 Favorable cases x =17 Sample proportion p^=x/n  =17/100 =0.17

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A: given data, bell- shaped distribution,μ=13σ=3 approximetly 95% of the television viewing times fell…

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A: given data n = 43x¯ = 19.65σ = 5.7696% ci for μ = ?

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A: Given data: 35.3 37.3 41.1 43.1 40.0 45.0 47.0 53.1 55.1 46.8 51.4 53.4 57.7 64.0 51.2 53.2 86.5…

Q: Hypothesis:  Students spend an average of 35 hours per week studying H0 : μ = 35 H1 : μ ≠ 35…

A: Given information: H0 : μ = 35 H1 : μ ≠ 35 z= -4.751 p= 0.0001 Let α=0.05

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A: linear Regression model consist of one dependent and one independent variable.

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A: Given that, μ=$5200σ=$120n=1000 The probability that the students expect to pay more than $5500 per…

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A:

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A: Introduction: It is required to identify the suitable type of test.

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Q: For items 3-6, refer to the following software output. The Data Analysis ToolPak in Excel was used…

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A: When we tossed a coins 4 times then the possible outcomes  24 =16 {HHHH,HTHH,THHH,HTHT,HHHT, HTTH,…

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A: Introduction: It is required to determine whether the samples are independent or dependent.

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A: Given that: Observed frequency: Response A B C D E Frequency 12 15 16 18 19

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A: Given n=64μ=70σ=24

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

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Q: The U.S. Open Golf Tournament was played at Congressional Country Club, Bethesda, Maryland, with…

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A:

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Q: A soft-drink machine is regulated so that it discharges an average of 200mL per cup. If the amount…

A: given data normal distributionμ = 200σ = 15P(191<x<209) = ?

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A: Given that the population mean is 22 hours. Given sample: X= 18, 25, 22, 38, 16, 26, 19, 20, 40, 35.…

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A: The mean is 90 and the standard deviation is 17.

Q: I am asking for help on the final 3 bullets points starting with: "State whether the results..." and…

A: Given that: Rats in tunnel (subway): n1=97x¯1=29.1s1=2.7 Rats above ground: n2=76x¯2=28.3s2=2.4

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Q: 1. In a random sample of fishes from a pond, the mean tail length was 6.0 mm and the reference tail…

A: Since you have asked multiple questions, we will solve the first question for you.  If you want any…

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A: given data new yorkers : n1 =558x1  = 193californians : n2  = 614x2 = 196α = 0.05claim : p1 = p2

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A: shirt jacket total male 64 86 150 female 55 17 72 total 119 103 222

Q: A surprising number of young adults (ages 19 to 25) still live in their parents’ homes. A random…

A: Given  X1=986, n1=2253, X2=923, n2=2629

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A: We have given that The benefit of using probability sampling over nonprobability sampling:

Q: Find Standard Deviation for the data given. (choose closest answer). Round your answer to two digits…

A: x Frequency (f) f x f⋅X2 1 3 3 3 3 4 12 36 4 5 20 80 5 1 5 25 6 5 30 180 7 4 28 196 9…

Q: 1. p(x)=0.2 e 02x is a valid probability distribution function on the interval [0,∞). (a) Use an…

A: please see the attachment.