The following results are for two independent samples taken from the two populations. Sample 1 Sample 2 n1 = 70 n2 = 60 x1 = 102 x2 = 104 σ1 = 8.7 σ2 = 7.9 (a) What is the value of the test statistic? (b) What is the p-value? (c) With = 0.05, what is your hypothesis testing conclusion?

the 3rd option is right

step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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