The null and alternative hypothesis would be: Ho:p = 0.8 Ho: 4 3.2 Ho:p < 0.8 Ho:p 2 0.8 Ho: 4 = 3.2 Ho:u < 3.2 H1:p # 0.8 H1:4 < 3.2 H1:p > 0.8 H1:p < 0.8 H1:u # 3.2 H1: 4 > 3.2 The test is: left-tailed right-tailed two-tailed Based on a sample of 65 people, the sample mean GPA was 3.24 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis
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- 1. What is the hypothesis for each problem below? When selecting answers: p0 is written "p0", μ0 is written "Mu0", ≠ is written "not =" A company claimed that more than 80% of their employees are satisfied with their employment. Null: H0: [p0 or Mu0] = .8 Alternate: Ha: [p0 or Mu0] [<, not =, or >] .8 A company claims that the average weight for the delivery of their product is less than 2 weeks. Null: H0: [p0 or Mu0] = 2 Alternate: Ha: [p0 or Mu0] [<, not =, or >] 2 A company claims that the average number of years an employee has worked for them is 15 years Null: H0: [p0 or Mu0] = 2 Alternate: Ha: [p0 or Mu0] [<, not =, or >] 2You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the following frequencies:HoHo : pA=0.1pA=0.1; pB=0.5pB=0.5; pC=0.3pC=0.3; pD=0.1pD=0.1Complete the table. Category ObservedFrequency ExpectedFrequency SquaredResidual A 16 B 39 C 28 D 14 What is the chi-square test-statistic for this data?χ2= Report all answers accurate to three decimal places.A humane society claims that less than 61% of households in a certain country own a pet. In a random sample of 700 households in that country, 399 say they own a pet. At a= 0.05, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state H, and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. The percentage households in the country' that own a pet is not %. O B. Less than % of households in the country own a pet. O C. More than % of households in the country own a pet. O D. % of hoúseholds in the country own a pet.
- (a) Express the null hypothesis and the alternative hypothesis in symbolic form for the following claim. A manager claims that the average lunch break is more than 0.4 hours long. O Ho: p = 0.4 vs. H: p 0.4 H;: µ # 0.4 O Ho: H = 0.4 vs. H: µ > 0.4 O Ho: p = 0.4 Hi:p # 0.4 Vs. (b) State the indicated conclusion in nontechnical terms, being sure to address the original claim. An entomologist writes an article in a scientific journal claiming that at most 1.48% of male fireflies are unable to produce light due to a genetic mutation. A hypothesis test of the claim has been conducted, and the decision from that test is to fail to reject Ho. O There is not sufficient evidence to warrant rejection of the claim that the true proportion is at most 1.48%. O There is sufficient evidence to warrant rejection of the claim that the true proportion is at most 1.48%. OThere is not sufficient evidence to support the claim that the true proportion is at most 1.48%. O There is sufficient evidence to…If your null and alternative hypothesis are:H0:p=0.78 H1:p<0.78Then the test is: two tailed right tailed left tailed20. Which of the following is a null hypothesis? a. Pregnant women who drink cranberry juice will have lower urine bacterial counts than those who do not drink cranberry juice. b. The urine bacterial count of pregnant women who drink cranberry juice will be lower or equal to that of pregnant women who do not drink the juice. c. There will be a difference between ingestion of cranberry juice and among pregnant women who do and do not have high urine bacterial counts.
- Suppose that we reject a null hypothesis at the 0.1 level of significance. Then for which of the following a- values do we also reject the null hypothesis? O A. 0.002 ОВ. 0.02 ОС. 0.01 D. 0.2 E. 0.001A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Ho: H₂: O O ab What type of test is being conducted in this problem? OA. Two-tailed test OB. Right-tailed test OC. Left-tailed test O O os 6.5 06.5 esc Statcrunch ! 1 Q 2 W #3 E $ ► 4 R % 45 F T MacBook Pro A ^ 6 Y & 7 U * 0You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the following frequencies:HoHo : pA=0.1pA=0.1; pB=0.4pB=0.4; pC=0.25pC=0.25; pD=0.25pD=0.25Complete the table. Category ObservedFrequency ExpectedFrequency SquaredResidual A 4 B 39 C 29 D 25 What is the chi-square test-statistic for this data?χ2=Report all answers accurate to three decimal places.
- 19Need help with #19Develop the analysis of variance computations for the following completely randomized design. At a = 0.05, is there a significant difference between the treatment means? %3D Treatment A В C 137 106 92 119 113 81 114 125 85 108 105 101 132 107 89 115 109 116 129 96 109 90 115 119 103 97 81 121 118 106 101 2 226.86 137.33 212.22 State the null and alternative hypotheses. Ho: : Not all the population means are equal. Ha: HA = HB = HC Hoi HA = HB = HC H: Not all the population means are equal. Ho: At least two of the population means are equal. H: At least two of the population means are different. Ho: HA = HB = Hc %3D Ha: HA + HB + HC