Question

please do both

Question 19 (1 point) CHO: Ti = 0,2), Variance=co.ll?, Out of 1000 people sampled, 200 were found to like Mango. Fuel 95% confidence interval Only 20 (Input exact 3 decimal places such as 0.0037) (0.004, 0.296) (0.014, 0.396) (0.004, 0.396) (0.014, 0.396) Question 20 (1 point) ( Hai TT= 0.2) ( Decision Rule: if p>0.3 , H, 75 accepted ) Variance = (0.1)? Find ß (Input exact 4 decimal places such as 0.5678) O 0.1587 0.0587 0.3587 0.2587

Answer 1

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Answering first question, as we are allowed to answer 1 question per post. Please post the other questions separately.

Variance = .1^2

p = .20

The confidence interval is given by:

p +/- Z*sqrt(Variance)
= .2 +/- 1.96*sqrt(.1^2)
= 0.2 +/- 1.96*.1
= (0.004,0.396)

Answer: (0.004, 0.396)