Question

Pooja spent 20% of money . she had on clothes and 5% on a pair of slippers. she was left with rupees1800 How much money did she have in beginning.
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Answer 1

Let Lata have money is = xRs.

spent money on jeans 20% = x×20 x

_____=__ Rs

100 5

spent money on slippers 5% = x×5 x

___=__RS

100 20

now she have left money is = 2,700 Rs.

hence x− x x

__ - ___= 2,700

5 20

3x=4×2,700=10,800

hence x=3,600Rs.

Answer 2

7The p-value is calculated using the sampling distribution of the test statistic under the null hypothesis, the sample data, and the type of test being done (lower-tailed test, upper-tailed test, or two-sided test). ... a lower-tailed test is specified by: p-value = P(TS ts | H 0 is true) = cdf(ts)