Question 29-31 are related to the following On a freeway 85% of vehicles violate the speed limin=0.85) From the population of all vehicles on the freeway, you clock repeated random samples of size 400 vehicle. 29 What fraction of sample proportions (p's) from samples of size 400 fall with 10.03 (3 percentage points) from the population proportion. a b C d 30 The middle interval that captures 95% of sample proportions is, a 0.825 0.815 0.801 0.781 b C 0.9343 0.9071 0.8807 0.8550 d 0.875 0.885 0.899 0.919 31 To build a middle interval around the population proportion such that 95% of all sample proportions deviate from the population proportion by no more than 10.02 (2 percentage points), what is the minimum sample size to vield this interval? 1225 1289 1357 1428 32 The middle interval around the population proportion which captures 95% of sample proportions of vehicles that exceed the speed limit is: 0792 0848
Question 29-31 are related to the following On a freeway 85% of vehicles violate the speed limin=0.85) From the population of all vehicles on the freeway, you clock repeated random samples of size 400 vehicle. 29 What fraction of sample proportions (p's) from samples of size 400 fall with 10.03 (3 percentage points) from the population proportion. a b C d 30 The middle interval that captures 95% of sample proportions is, a 0.825 0.815 0.801 0.781 b C 0.9343 0.9071 0.8807 0.8550 d 0.875 0.885 0.899 0.919 31 To build a middle interval around the population proportion such that 95% of all sample proportions deviate from the population proportion by no more than 10.02 (2 percentage points), what is the minimum sample size to vield this interval? 1225 1289 1357 1428 32 The middle interval around the population proportion which captures 95% of sample proportions of vehicles that exceed the speed limit is: 0792 0848
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
Related questions
Question
![317, Question 29-31 are related to the following.
318 On a freeway
of vehicles violate the speed limi (r=0.85)
85%
319 From the population of all vehicles on the freeway, you clock repeated random samples of size 400
vehicle.
320 29 What fraction of sample proportions (p's) from samples of size 400 fall with ±0.03 (3 percentage points) from
321
the population proportion.
322 a
323 b
324 C
325 d
326
327 30 The middle interval that captures 95% of sample proportions is,
328 a
0.825
329 b
0.815
0.801
0.781
330 C
331 d
338 с
339 d
332
333 31 To build a middle interval around the population proportion such that 95% of all sample
334
proportions deviate from the population proportion by no more than 10.02 (2 percentage points),
what is the minimum sample size to yield this interval?
335
336 a
1225
337 b
1289
345
a
346 b
347 C
348 d
0.9343
0.9071
0.8807
0.8550
340
341 32 The middle interval around the population proportion which captures 95% of sample proportions
342 of vehicles that exceed the speed limit is:
343
0.792
0.848
344
356 C
357 d
358
359 34
360
361
362
1357
1428
365 С
366 d
367
368 35
369
370 a
371 b
372 C
373 d
274
349
350 33 Among adult residents of a certain state 74% have more than 12 years of schooling.
351
352
353
354 a
355 b
0.875
0.885
0.899
0.919
What was the sample size to build this interval
621
654
688
724
We want to build a middle interval (P₁, P₂) centered at t= 0.74 such that it captures 98% of all
sample proportions within 10.025 (2.5 percentage points) from the population proportion. What
is the required sample size?
1504
1583
1666
1754
Rick O'Shea is one of the two candidates running for the governor of a Midwestern state. Suppose
Rick O'Shea has 46 percent of the votes among all the voters in the state. Just before the election a
local TV news polls a random sample of 450 voters. What is the probability that the poll will predict
Rick O'Shea winning the election?
363 a
0.1216
364 b 0.0869
0.0621
0.0443
What should the sample size be in order to reduce the probability of wrongly predicting Rick
O'Shea's victory to 0.025?
723
657
597
543](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff77f79e9-5ac1-4020-9dcf-55809fd8ade6%2F4aa79a71-27f5-42fc-9555-4f1fd0a2c76f%2F3w6fm9f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:317, Question 29-31 are related to the following.
318 On a freeway
of vehicles violate the speed limi (r=0.85)
85%
319 From the population of all vehicles on the freeway, you clock repeated random samples of size 400
vehicle.
320 29 What fraction of sample proportions (p's) from samples of size 400 fall with ±0.03 (3 percentage points) from
321
the population proportion.
322 a
323 b
324 C
325 d
326
327 30 The middle interval that captures 95% of sample proportions is,
328 a
0.825
329 b
0.815
0.801
0.781
330 C
331 d
338 с
339 d
332
333 31 To build a middle interval around the population proportion such that 95% of all sample
334
proportions deviate from the population proportion by no more than 10.02 (2 percentage points),
what is the minimum sample size to yield this interval?
335
336 a
1225
337 b
1289
345
a
346 b
347 C
348 d
0.9343
0.9071
0.8807
0.8550
340
341 32 The middle interval around the population proportion which captures 95% of sample proportions
342 of vehicles that exceed the speed limit is:
343
0.792
0.848
344
356 C
357 d
358
359 34
360
361
362
1357
1428
365 С
366 d
367
368 35
369
370 a
371 b
372 C
373 d
274
349
350 33 Among adult residents of a certain state 74% have more than 12 years of schooling.
351
352
353
354 a
355 b
0.875
0.885
0.899
0.919
What was the sample size to build this interval
621
654
688
724
We want to build a middle interval (P₁, P₂) centered at t= 0.74 such that it captures 98% of all
sample proportions within 10.025 (2.5 percentage points) from the population proportion. What
is the required sample size?
1504
1583
1666
1754
Rick O'Shea is one of the two candidates running for the governor of a Midwestern state. Suppose
Rick O'Shea has 46 percent of the votes among all the voters in the state. Just before the election a
local TV news polls a random sample of 450 voters. What is the probability that the poll will predict
Rick O'Shea winning the election?
363 a
0.1216
364 b 0.0869
0.0621
0.0443
What should the sample size be in order to reduce the probability of wrongly predicting Rick
O'Shea's victory to 0.025?
723
657
597
543
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