According to a recent​ report, 46​% of college student internships are unpaid. A recent survey of 80 college interns at a local university found that 51 had unpaid internships.   b. Assume that the study found that 42 of the 80 college interns had unpaid internships and repeat​ (a). What is the test​ statistic?   ZSTAT= ​(Round to two decimal places as​ needed.) What is the​ p-value?   The​ p-value is   ​(Round to three decimal places as​ needed.)   What is the final​ conclusion

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A:

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Q: A sample has SS= 20 and s? = 4. How many scores are in the sample?

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Q: Calculate the following. (Round your answer to two decimal places.) sample mean = x

A:

Q: A sample consists of the following n = 6 scores: -2, 3, -3, 1, -3, 4 What is the Z-score for the raw…

A: Given data set is -2,3,-3,1,-3,4sample size(n)=6

Q: Compute the test statistic. Round to two decimal places.

A: Sample size, n=2027 No. of adults who drank diet soda, x=485

Q: What is the p-value only?

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Q: According to College Board the scores on the AP History exam are normally distributed with N(72,…

A: It is given that the scores on the AP History exam are normally distributed with N(72, 7.5).

Q: #1 = $48,877 a2 = $55,157 81 = $16,000 82 = $12,000 a. Formulate hypotheses so that, if the null…

A: Given Data : For Finance majors x̄1 = 48877.0 s1 = 16000.0 n1 = 130…

Q: sample proportion is p= und to three decimal places as needed.)

A: Given Number of sample of teenagers between 13 to 17 year of ages(n)=280

Q: evelop a point estimate of the proportion of teens aged 13 to 17 who say social media makes them…

A: Sample size n=743

Q: SAT coaching: A sample of 10 students took a class designed to improve their SAT math scores.…

A: The random variable SAT math score follows normal distribution. There are two dependent samples…

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1085 ​adults, 83​% said…

A:

Q: n below: Data for Gender vs. Orientation Attendance Women Men 371 419 be concluded at the a = 0.05…

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Q: Suppose that 18% of a random sample of 2307 Miami residents said that they will donate blood in…

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Q: Calculate the test statistic. t0 =  (Round to two decimal places as​ needed.) Calculate the…

A:

Q: Assume a Normal distribution. What can be concluded at the the αα = 0.01 level of significance…

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Q: A recent study indicated that 43% of the 100 women over age 55 in the study were widows. Round up…

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Q: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

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Q: Which chi-square test should be used on the following study? A psychotherapist wanted to see what…

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Q: A sample of 276 people was surveyed. People are classified according to their political ideology…

A: Given Data : Number of right wing people = 47 + 25 + 19 = 91 Number of people who are indifferent…

Q: he scores on a test for a sample of 38 statistics students are summarized in the following table.…

A: students score(x) no. of students(f) fx 90 9 810 80 16 1280 70 13 910   n = 38 ∑fx = 3000…

Q: What’s the formula to turn a Z score to a T score?

A: The  score is the standardized score obtained by using population data or large samples .The  score…

Q: Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large…

A: Solution-: We find, (a) The mean of the checkout times ...min (b) The standard deviation of the…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.