What is the statistical​ decision? Determine the​ p-value.   The​ p-value for the given ZSTAT is ​p-value=enter your response here

Q: ou are conducting a study to see if the probability of a true negative on a test for a certain…

A: GivenNull and alternative hypothesis isH0:p=0.31H1:p≠0.31sample size(n)=630No.of success(x)=160

Q: In 1945, an organization asked 1477 randomly sampled American citizens, "Do you think we can develop…

A: Solution: Given data Sample size (n) = 1477 x = 782 Level Of significance = 0.05 To find: Null and…

Q: or pain using the A study was conducted to determine whether magnets were effective in treating…

A: Answer  Given  n1 =20 n2 =20 s1 =1.26 s2 =0.96 α = 0.05 degree of freedom = n1-1 = 20-1=19 degree of…

Q: Suppose a researcher is testing the hypothesis Ho: p=0.4 versus H₁ p>0.4 and she finds the P-value…

A: P-value = 0.25

Q: State the appropriate null and alternative hypotheses. Ho: P 0.40 Ha: P = 0.40 Ho: P = 0.40 Ha: p >…

A: It is given that  Population proportion, p = 40% = 0.40 Favourable cases, X = 82 Sample size, n =…

Q: A sample of n=37 data values randomly collected from a normally distributed population has variance…

A:

Q: Kelter Airlines has a 15-seater commuter turboprop that is used for short flights. Their data…

A: About 8% of customers who buy tickets are no-shows Probability that  a customer after buying ticket…

Q: Use hypothesis testing process. A random sample of n = 40 individuals is obtained from a population…

A: The hypothesis is, Null hypothesis: H0:μ=724 Alternative hypothesis: Ha:μ≠724 The sample standard…

Q: significance level of α=0.02α=0.02.       H0:p=0.59H0:p=0.59       H1:p<0.59H1:p<

A: The test is left tailed test.     The sample proportion is:

Q: Part 1 : A two-tailed hypothesis test is being used to evaluate a treatment effect with α = .05.  If…

A: As per our policy, we can answer only one question at a time, please make a new request for other…

Q: You are conducting a study to see if the probability of a true negative on a test for a certain…

A: Given, The sample proportion is, The null and alternative hypothesis is:

Q: A simple random sample of size n=200 drivers were asked if they drive a car manufactured in a…

A: Given: α=0.05n=200x=108p=0.5

Q: Women athletes at a certain university have a long-term graduation rate of 67%. Over the past…

A:

Q: Summary statistics are given for independent simple random samples from two populations. Use the…

A: Given that, x1¯ = 75.3, s1 = 4.5, n1 = 11, x2¯ = 65.5, s2 = 5.1, n2 = 9

Q: Let’s say that I want to test a hypothesis that drivers who are pooled over driving a sports car…

A: Given that  Z obtained value =1.87 Level of significance=0.05 We have to find  1..Is this difference…

Q: This question considers a hypothesis test with H0: μ = 200 and H1: μ ≠200 and significance level 5%.…

A: We have given that,  Hypothesized population mean (μ) = 200, standard deviation (s) = 50 sample mean…

Q: P-value = (Round to three decimal places as needed.)

A: Here n = sample size = 21 T test statistic = 2.309

Q: 0.3.16-T A data set lists earthquake depths. The summary statistics are n = 400, x = 5.82 km, s =…

A: Here we don't know the population standard deviation. We use t test for one mean.

Q: A random sample of 164 recent donations at a certain blood bank reveals that 89 were type A blood.…

A: Given :

Q: For a one-sample t-test, if other factors are held constant, which set of sample characteristics is…

A: Given that   μ = 100

Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

A: From the provided information, level of significance (α) = 0.005 Sample size (n) = 121 Number of…

Q: hypotheses, test statistic, P-value, and state the final conclusion that addresses the original…

A: Given data : sample size, n =198 sample mean, x̄ = 5.53 sample standard…

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.55. Decide…

A:

Q: Test statistic:t= 6.667 Critical value = 2.060 Reject Ho Test statistic:t = 0.718 Critical value…

A: The hypotheses are given below: Null hypothesis: H0: µ1 = µ2 Alternative hypothesis: HA: µ1 &gt; µ2…

Q: Researchers conducted a study to determine whether magnets are effective in treating back pain. The…

A: 1. Denote μ1, μ2 as the population means treatment and sham measure of reduction in back pain,…

Q: A local restaurant claims that the waiting time for its patrons to be served is the lowest in the…

A:

Q: A medical researcher wants to determine if the average hospital stay of patients that undergo a…

A:

Q: Independent random samples were selected from two quantitative populations, with sample sizes,…

A: Solution-: Given: n_1=38, \bar{x_1}=9.6, \sigma_1^2=10.83 , n_2=45, \bar{x_2}=7.3,\sigma_2…

Q: treatment produces a sample mean of M = 25 with s = 18 among a sample of n = 36, which t-statistic…

A: The test-statistics which can be obtained as:

Q: Summary statistics are given for independent simple random samples from two populations. Use the…

A:

Q: To test the null hypothesis Ho: H1-H2=0 versus the alternative hypothesis H H1 H2 0 at the 0.01…

A:

Q: Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z.…

A: From the provided information, The test is two tailed. The test statistic is z = -1.86 level of…

Q: The breaking strengths of cables produced by a certain company are approximately normally…

A: Write null and alternative hypothesis

Q: Mick, a golfer, has a sample driving distance mean of 252.0 yards from 15 drives. He still claims…

A: Decision based on p-value:At level of significance α, if the p-value ≤ α, then reject the null…

Q: In a test of hypothesis, the null hypothesis is that of = ₂ and the alternative hypothesis is 2.…

A: From the provided information,The hypothesis is vs Sample sizes are Sample standard deviations are

Q: What is the observed test statistic for this test?

A: Given : n=20 , X=12 , p0=0.60 , α=0.01 Our aim is to find the value of the observed test statistic…