Defining the decision rule

Assignment Help Basic Statistics

Reference no: EM1315391

Q1) Following hypotheses are given.

H0 : π = 0.40

H1 : π ≠ 0.40

Sample of 120 observations revealed that p = .30. At the .05 significance level, can null hypothesis be discarded?

i) Define the decision rule.

ii) Calculate the value of the test statistic.

Q2) Assume that scores of section 1 follows normal distribution with mean 0.78 and standard deviation of 0.1.

(1) What percent of students in section 1 have scores more than 0.75?

(2) How high should a student score to place in top 5% of all students taking the test?

Reference no: EM1315391

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