In the context of a hypothesis test for two proportions, which of the following statements about the pooled sample proportion, p, is/are true? i. it estimates the common value of p 1 p1 and p 2 p2 under the assumption of equal proportions. ii. it is obtained by averaging the two sample proportions modifyingabove p with caret 1 p1 and modifyingabove p with caret 2 p2. iii. it is equal to the proportion of successes in both samples combined.

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step-by-step explanation:

well the 1 and -1 are always after the 0 and the 0 is inthe middle. s thats what i would guess. but i dont know what a slope of 2 is sorry

step-by-step explanation:

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is:

wow ok so the answer is 1k or just k

because of combining like terms xd