the claim of health officer true

Q: A research center claims that at least 28% of adults in a certain country think that their taxes…

A: From the provided information, Population proportion (p) = 0.28 a) The hypotheses can be constructed…

Q: A research center claims that at least 24% of adults in a certain country think that their taxes…

A:

Q: (a)State the hypotheses that can be used to test for a significant difference between the population…

A: Given: p1^=4101000p2^=4201200

Q: The recommended daily Calcium intake for women between the ages of 21 and 50 is 1000 mg per day. The…

A: Statistical tests are used to calculate the test statistic and p-value. This calculated test…

Q: Doctors nationally believe that 78% of a certain type of operation are successful. In a particular…

A: Introduction: Denote p as the true national proportion of operations that are successful. As it is…

Q: A research center claims that at least 31% of adults in a certain country think that their taxes…

A:

Q: A new drug to treat psoriasis has been developed and is in clinical testing. Assume that those…

A: The test hypotheses are given below: Null hypothesis: H0:p1=0.02,p2=0.77,p3=0.16,p4=0.05 Alternative…

Q: A dietician read in a survey that 76.4% of adults in the U.S. do not eat breakfast at least 2 days a…

A: 26 The claim of the test is that smaller proportion than 0.764 of skip breakfast 2 days a week. Let…

Q: A new drug to treat psoriasis has been developed and is in clinical testing. Assume that those…

A: Hello, since your question has multiple parts, we will solve first question for you. if you want…

Q: A new drug to treat psoriasis has been developed and is in clinical testing. Assume that those…

A: The null and alternative hypotheses are; Null hypothesis: the distribution of the severity of…

Q: Researchers in biology collected a sample of bees. They want to test if the average size of bees is…

A: It is given that the A researcher collects a sample of bees in order to test if the average size of…

Q: Assume that half the population is vegetarian so that the chance of an individual being a vegetarian…

A:

Q: . Write null and alternative hypotheses for p.

A: here given , Suppose the present success rate in the treatment of a particular psychiatric disorder…

Q: If my p-value is 0.062 should I reject it and support my claim?

A: Basic: Rejection or acceptance of null hypothesis  is totally depending  on p values and…

Q: Results from a survey conducted in a certain grocery store showed that 3 out of 5 people preferred…

A:

Q: Of the total 161 patients with diabetes ketoacidosis (DKA), 13 had DKA before and after the pump…

A: We need to conduct a Chi-Square test of Independence. The following information has been provided.…

Q: 2. A certified public accountant (CPA) claims that more than 30% of all accountants advertise. A…

A: The following null and alternative hypotheses need to be tested: Ho: p = 0.30Ho:p=0.30 Ha: p…

Q: A research center claims that at least 23% of adults in a certain country think that their taxes…

A:

Q: At the 0.05 level of significance, is there enough evidence to reject Ho and support the claim of…

A: Test is that whether a new Javelin model will help increase the throw length.

Q: n the cancer institute of Philippine General Hospital, there were 529 patients who undergo…

A:

Q: According to a recent report, 21% of all adults routinely skip breakfast. A researcher believes this…

A:

Q: A neurologist is testing the effect of a drug on response time by randomly injecting 100 rats with a…

A: Givensample size(n)=100Mean(x)=1.05sample standard deviation(sd)=0.5α=0.01

Q: Is the percentage of people who pay for Netlix accounts less than 75%? a. State your hypotheses. b.…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: In a big city 325 men out of 600 men were found to be smokers. Does this information support the…

A: We have given that Sample size n = 600 Favorable cases x = 325 Sample proportion p^=x/n = 0.5417

Q: A new drug to treat psoriasis has been developed and is in clinical testing. Assume that those…

A: Hypothesis Formation:- Null hypothesis: - The distribution of the severity of psoriasis cases at the…

Q: A certain financial services company uses surveys of adults age 18 and older to determine if…

A: a. Null Hypothesis: H0:p1=p2 Alternative Hypothesis: Ha:p1-p2≠0 Test Statistic: From the given…

Q: Globally, 35% of all ridged brittleshell tortoises have spots on their shells. A herpetologist in…

A: Solution

Q: an IQ higher than 90% of the population was obtained by taking the webchers IQ test, what is the IQ…

A: Given: Population mean IQ score using Stanford Binet intelligence test μ = 100 Population standard…

Q: An organization published an article stating that in any one-year period, approximately 8.2 percent…

A: Proportion z_test: If the given sample size is more than 30 or Population standard deviation is…

Q: A local police chief claims that about 57% of all drug related arrests are ever prosecuted. A sample…

A: Solution: From the given information, the claim is that about 57% of all drug related arrests are…

Q: A new drug to treat psoriasis has been developed and is in clinical testing. Assume that those…

A: State the hypotheses. The first step is to state the null hypothesis and an alternative hypothesis.…

Q: A local police chlef claims that more than 29 % of all drug related arrests are never prosecuted. A…

A: Here we need to test H0: p=0.29 vs H1: p>0.29. Given that significance level = 0.02

Q: A recent newspaper article claims that 69% of car accidents involve some evidence of distracted…

A:

Q: A certain financial services company uses surveys of adults age 18 and older to determine if…

A: Here 2 proportion of Z test statistics is applicable.   ===========================

Q: An organization published an article stating that in any one-year period, approximately 11.5 percent…

A:

Q: A research center claims that at least 23% of adults in a certain country think that their taxes…

A: Given that  Sample size n=900 Population proportion p=23%=0.23 Sample proportion p^=20%=0.20

Q: A random sample of 100 students at a high school was asked whether they would ask their father or…

A: H0: p1 = p2H1: p1 ≠ p2

Q: A research center claims that at least 31% of adults in a certain country think that their taxes…

A: Hypotheses are H0: P ≥ 0.31 H1: P<0.31

Q: A research center claims that at least 31​% of adults in a certain country think that their taxes…

A:

Q: A survey of 90 recently delivered women on the rolls of a county welfare department revealed that 27…

A: Givenx=27n=90p^=xn=2790=0.30α=0.05claim isThe population proportion with history of  intrapartum or…

Q: In a winter with a flu epidemic, a well-known pharmaceutical company studied 2,000 babies to…

A:

Q: Do vaccines work? I take a sample of 1000 of unvaccinated people exposed outside and determined that…

A: State the hypotheses.

Q: Do bathroom scales tend to underestimate a person's true weight? A 150 lb test weight was placed on…

A: The test hypotheses are given below: Null hypothesis:H0:p≤0.50 Alternative hypothesis:H1:p>0.50

Q: A new drug to treat psoriasis has been developed and is in clinical testing. Assume that those…

A: We have to interpret the result of a chi square test of independence.

Q: An experiment was designed to compare the lengths of time that four different drugs provided pain…

A: Test hypotheses: There are 4 types of old drugs. Denote the true average time of each of the 4 drugs…

Q: Based on these tables, would you accept or reject the hypothesis that individuals in bad…

A: From the given output table it is clear that there are two groups good neighborhood and bad…

Q: Each year 7% of the world tiger population is killed by poachers. Now that there is a campaign to…

A: Given information: Population proportion, p=7%=0.07 Sample size is n=200

Q: A weatherman stated that the average temperature during july in a certain city is less than 40…

A: Given information: Claim: The average temperature during july in a certain city is less than 40…

Q: 3 out of 4 american adults under age 35 have eaten pizza for breakfast. if a random sample of 20…

A: Let the R.V X denotes the number of adults eaten pizza for breakfast and it follows the binomial…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.