Question

Elementary Statistics questions..

Answer 1

@dumbcow

Answer 2

use chapter 7
test statistic is the z value
\[z = \frac{p^* - p}{\sqrt{\frac{pq}{n}}}\]

Answer 3

p* is sample ---> 255/425 = 0.6
p is 0.55 which is null hypothesis

Answer 4

I got 2.07

Answer 5

yes

Answer 6

Okay!

Answer 7

wow they give you the p-value?

anyway what is null hyp and alt hyp ?

Answer 8

Options

Answer 9

Yes its a first

Answer 10

-you will use same formula to find test statistic

- compare p value with a = 0.1 to get conclusion

Answer 11

Okay

Answer 12

time for me to go

did you work it out yet

Answer 13

Okay. No I haven't

Answer 14

Thanks for helping me

Answer 15

yw , like i said its same formula for finding test statistic

p* = 0.12
p = .08
n = 1000

best of luck