Question

Asked Nov 22, 2019

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Each of two pesticide brands is applied to 100 containers of fire ants.

Brand1 killed all ants in 65 of 100 containers within two hours, and

Brand 2 killed all ants in 58 of 100 containers within two hours.

b. Apply Fisher’s exact test in part (a) and compare.

part (a)

Is there statistically significant evidence to suggest Brand 1 works better?

Use the hypothesis test based on the normal distribution.

Be sure to check all assumptions, obtain the p-value, and state your conclusion.

Step 1

The test for two proportions to compare the two brands using MINITAB software is given below:

**Software procedure:**

Step-by-step procedure to test two proportions using MINITAB software:

- Choose
**Stat > Basic Statistics > 2 Proportions**. - In
**Summarized data, for sample 1**enter the brand 1 values;**number of events**as**61**and**number of trials**as**100**. **for sample 2**enter the brand 2 values;**number of events**as**58**and**number of trials**as**100**.- Check
**Options**, enter**Confidence level**as**0**. - Choose
**greater than**in**alternative**. - Choose
**test method**as**estimate proportions separately.** - Click
**OK**in all dialogue boxes.

Step 2

Output using MINITAB softw...

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