Identify the type I error and the type II error that correspond to the given hypothesis.   The percentage of households with more than 1 pet is equal to 65%.

Q: You plan to take a random sample from a population of 500 items and build a 95% confidence interval…

A: We have given that Standard deviation(σ) = 100Margin of error (E) = 5Significance level (α) = 1 -…

Q: Out of 340 trials, 140 turned out positive. Find the margin of error for the 90% confidence interval…

A: X=140, n=340  p^=X/n

Q: Using a t-table or a t-score calculator, find the value of t for sample size (n) of 25 to estimate…

A: Sample size n=25

Q: Find the sample size need to find the Population Mean if the margin of error is $105, the confidence…

A: Solution: From the given information, confidence level is 0.95, σ=315 and E=105.

Q: You calculate a risk ratio of 1.35, with a 95%Confidence Interval of (0.72, 5.5). How would you…

A: Given information: Risk Ratio=1.35 95%Confidence Interval of (0.72, 5.5) Decision Rule: If the risk…

Q: Use he given confidence Interval to find the margin of error and the sample proportion.…

A: Given Data Lower limit = 0.786 upper limit = 0.810

Q: Use the given confidence interval to find the margin of error and the sample proportion. (0.704,…

A: The confidence interval for population proportion is given by (0.704, 0.732)

Q: how large of a sample n would you need to estimate p with a margin of error 0.01 with 95%…

A: Given Information: Margin of error = 0.01 Confidence level = 95% p^=0.2 To find sample size n:…

Q: What is the formula for the 95% confidence interval for a population mean, given a sample mean and…

A: Given that 95% confidence interval for populations mean.

Q: In a survey of 3700 TV viewers, 834 said they watch network news programs. Find the margin of error…

A: Solution

Q: Suppose you use simple random sampling to select and measure 47 dogs' weights, and find they have a…

A: Given, mean is 78 and standard deviation is 13.5. Sample number is 47. We with use one sample z…

Q: Find the critical value tc for a 99% confidence level when the sample size is 23.    A. 2.074…

A: Given information- Sample size n = 23 Confidence level = 0.99 So, significance level α = 0.01 We…

Q: The Chancellor wants you to calculate a second sample size after sample 1 produced a 40% response…

A: From the provided information, Confidence level = 80% Margin of error (E) = 7% that is 0.07 Sample…

Q: You want to purchase a used car. The mean monthly payment for a random sample of 12 cars advertised…

A: Given: n=12x¯=275σ=35 Confidence level = 95%

Q: What is the p-value if you are doing a two-tailed test?

A: We have given that  The z-statistic is, z = 1.15

Q: Increasing the sample size and decreasing the level of confidence are two ways of obtaining a…

A:

Q: There are 7360 tigers worldwide and the state of Texas has approximately 3861 tigers in captivity.…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Is there a difference between the two means? Carry out the 9 steps of hypothesis testing Population…

A: The provided information is as follows:The population mean is .The population standard deviation is…

Q: Construct a 95​% confidence interval to estimate the population mean when x=133 and s​ = 35 for…

A:

Q: One question, the parts are just listed out in letter form.   The weights in ounces of a sample of…

A: Men(1) Women(2)   10.4 10.6   12.7 9.9   11.7 10.1   12.5 9.8   12.6 10.6   10.8 9.5…

Q: Perform the following hypothesis test of a proportion: HO: p = 0.33 HA: p  0.33 The sample…

A: We have given that,  HO: p = 0.33 vs HA: p ≠ 0.33 and sample size (n) = 100  Sample proportion (p̂)…

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A:

Q: students. You want to estimate the proportion p of students who never floss with 90% confidence and…

A: It is given that Proportion p = 0.27 Margin of error E = 0.03 Level of confidence = 90% The critical…

Q: How large a sample is necessary to estimate the true proportion of unmarried Canadians aged 25-29…

A: Given data: Margin of error  = 5% = 0.05 Confidence level  = 0.90 To find: Sample size (n) = ?

Q: Find the population proportion? find the margin of e? construct confidence interval ?

A:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A:

Q: Find the margin error for the estimating the true proportion at 95% confidence level.

A: A random sample of 120 adults showed that 42 are already fully vaccinated. P ^=42/120 =0.35  ZC for…

Q: Find a 95% confidence interval for the difference between full attendance students' Exam 5 score and…

A: We have given data,  Less attendance Full attendance 90 96 90 96 60 100 50 99 69   88…

Q: If no previous study has been done, give the sample size we should use to find p with a margin of…

A: Given that, Critical value: Using the z-table, the critical value at 90% confidence level for two…

Q: For 99% confidence level, significance level is a. 0.1 b. 0.05 c. 0.025 d. 0.01

A:

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: The confidence is between (0.698, 0.724). The (1-α) % confidence interval is as follows:

Q: If the company sells the candy bars in packs of 4 bars, what can we say about the likelihood that…

A:

Q: Management expected a 10% price decrease for a raw material. Instead, the price decrease was only…

A: Given statement, Management expected a 10% price decrease for a raw material . Instead, the price…

Q: We want to investigate whether Ozone values differ across months as measured.   State the null and…

A: Given, We want to investigate whether Ozone values differ across months as measured.

Q: A random sample of n = 900 observations from a binomial population produced x = 655 successes.…

A: Given : Let X : No.of success Sample size (n)=900 X=655 α=0.10

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: We have given that Confidence interval = (0.775,0.799)Upper limit = 0.775Lower limit = 0.799

Q: Use the given confidence interval to find the margin of error and the sample proportion.…

A: Confidence interval (0.761,0.785)

Q: In a random sample of 144 observations, the sample proportion is 0.90. Construct a 95% confidence…

A: given data sample size (n) = 144P^ = 0.9095% ci p.

Q: Perform the following hypothesis test of a proportion: HO: p = 0.125 HA: p 0.125 The sample…

A:

Q: You measure 46 textbooks' weights, and find they have a mean weight of 34 ounces. Assume the…

A: given data population sd(σ) = 14.3n = 46x¯ = 3495% ci for mean (μ) = ?

Q: Your state is considering raising the legal age for consumption of alcoholic beverages to 21 years…

A: p = 0.5 Margin of error = 0.01

Q: Round to the fourth as needed Requirements (part 1):       Requirements (part 2):       H0H0:…

A: Here one sample proportion test( tow tail z test of proportion )