According to Thomson Financial, last year the majority of companies reporting profits had beaten estimates. A sample of 162 companies showed that 114 beat estimates, 29 matched estimates, and 19 fell short. (a)What is the point estimate of the proportion that fell short of estimates? If required, round your answer to four decimal places. pshort = (b)Determine the margin of error and provide a 95% confidence interval for the proportion that beat estimates. If required, round your answer to four decimal places. ME = (c)How large a sample is needed if the desired margin of error is 0.05? If required, round your answer to the next integer. PS Answer for B is not 0.0496 not 0.0495 C is not 160 nor 159 еВookAccording to Thomson Financial, last year the majority of companies reporting profits had beaten estimates. A sample of 162 companies showed that 114 beat estimates, 29 matchedestimates, and 19 fell short.(a) What is the point estimate of the proportion that fell short of estimates? If required, round your answer to four decimal places.Pshort =0.1173(b) Determine the margin of error and provide a 95% confidence interval for the proportion that beat estimates. If required, round your answer to four decimal places.ME =0.0496(c) How large a sample is needed if the desired margin of error is 0.05? If required, round your answer to the next integer.n*:160

Given data,Beat estimates =114Matched estimates =29Fell short =19Total =162

Answered: According to Thomson Financial, last…

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According to Thomson Financial, last year the majority of companies reporting profits had beaten estimates. A sample of 162 companies showed that 114 beat estimates, 29 matched estimates, and 19 fell short.

(a)	What is the point estimate of the proportion that fell short of estimates? If required, round your answer to four decimal places.
	p_short =
(b)	Determine the margin of error and provide a 95% confidence interval for the proportion that beat estimates. If required, round your answer to four decimal places.
	ME =
(c)	How large a sample is needed if the desired margin of error is 0.05? If required, round your answer to the next integer.

PS Answer for B is not 0.0496 not 0.0495

C is not 160 nor 159

еВook
According to Thomson Financial, last year the majority of companies reporting profits had beaten estimates. A sample of 162 companies showed that 114 beat estimates, 29 matched
estimates, and 19 fell short.
(a) What is the point estimate of the proportion that fell short of estimates? If required, round your answer to four decimal places.
Pshort =
0.1173
(b) Determine the margin of error and provide a 95% confidence interval for the proportion that beat estimates. If required, round your answer to four decimal places.
ME =
0.0496
(c) How large a sample is needed if the desired margin of error is 0.05? If required, round your answer to the next integer.
n*:
160

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