You are testing the claim that the mean gpa of night students is different from the mean gpa of day students. you sample 30 night students, and the sample mean gpa is 2.35 with a standard deviation of 0.46. you sample 25 day students, and the sample mean gpa is 2.58 with a standard deviation of 0.47. test the claim using a 5% level of significance. assume the sample standard deviations are unequal and that gpas are normally distributed. give answer to exactly 4 decimal places.

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

x+14

step-by-step explanation:

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

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yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.