E connect Chapter 9 1000 points Consider the tollowing hypo

E connect Chapter 9 - 10.00 points Consider the tollowing hypotheses Ho pz 0.38 Ha pc0.38 Compute the p-value based on the following sample information Use Taew1 (Round your intermedi calculations to 4 decimal places. Round \"z value to 2 decimal places and final answers to decimal places.) a, x = 22, n 74 b, x=110; n=300 c 10.34,n= 50 d :034, n = 400 ezto.mheducation.com/hm.tpx

Solution

Q12( answer given in 4 decimals)

a).    0.0714

b).   0.3171

c). 0.2800

d). 0.0497

a

Observed

Hypothesized

0.2973

0.38

p (as decimal)

22/74

28/74

p (as fraction)

22.

28.12

X

74

74

n

0.0564

std. error

-1.47

z

.0714

p-value (one-tailed, lower)

b

Observed

Hypothesized

0.3667

0.38

p (as decimal)

110/300

114/300

p (as fraction)

110.

114.

X

300

300

n

0.028

std. error

-0.48

z

.3171

p-value (one-tailed, lower)

c

Observed

Hypothesized

0.34

0.38

p (as decimal)

17/50

19/50

p (as fraction)

17.

19.

X

50

50

n

0.0686

std. error

-0.58

z

.2800

p-value (one-tailed, lower)

d

Observed

Hypothesized

0.34

0.38

p (as decimal)

136/400

152/400

p (as fraction)

136.

152.

X

400

400

n

0.0243

std. error

-1.65

z

.0497

p-value (one-tailed, lower)

a
	Observed	Hypothesized
	0.2973	0.38	p (as decimal)
	22/74	28/74	p (as fraction)
	22.	28.12	X
	74	74	n
		0.0564	std. error
		-1.47	z
		.0714	p-value (one-tailed, lower)
b
	Observed	Hypothesized
	0.3667	0.38	p (as decimal)
	110/300	114/300	p (as fraction)
	110.	114.	X
	300	300	n
		0.028	std. error
		-0.48	z
		.3171	p-value (one-tailed, lower)
c
	Observed	Hypothesized
	0.34	0.38	p (as decimal)
	17/50	19/50	p (as fraction)
	17.	19.	X
	50	50	n
		0.0686	std. error
		-0.58	z
		.2800	p-value (one-tailed, lower)
d
	Observed	Hypothesized
	0.34	0.38	p (as decimal)
	136/400	152/400	p (as fraction)
	136.	152.	X
	400	400	n
		0.0243	std. error
		-1.65	z
		.0497	p-value (one-tailed, lower)