Anohaptay Anohaptay
  • 11-05-2020
  • Mathematics
contestada

A 90% confidence interval for a proportion is found to be (0.62, 0.68). What is the sample proportion?
A.
0.64
B.
0.65
C.
0.68
D.
0.66

Respuesta :

amna04352
amna04352 amna04352
  • 11-05-2020

Answer:

B. 0.65

Step-by-step explanation:

Sample proportion is the point estimate of the population proportion which is at the centre of the interval

(0.62+0.68)/2

1.30/2

0.65

Answer Link
Аноним Аноним
  • 11-05-2020

Answer:B. 0.65

Step-by-step explanation:

Answer Link

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