Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. Find the probability that a randomly selected thermometer reads between - 1.97 and -0.45 and draw a sketch of the region. Click to view page 1 of the table, Click to view page 2 of the table. Sketch the region. Choose the correct graph below. OA. OB. Oc. -1.97 -0.45 -1.97 -0.45 -1.97 -0.45 The probability is (Round to four decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 8PPS
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Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. Find the probability that a randomly selected
thermometer reads between - 1.97 and -0.45 and draw a sketch of the region.
Click to view page 1 of the table. Click to view page 2 of the table.
Sketch the region. Choose the correct graph below.
O A.
В.
Oc.
-1.97
-0.45
-1.97
-0.45
-1.97
-0.45
The probability is
(Round to four decimal places as needed.)
Click to select your answer(s).
?
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Transcribed Image Text:Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. Find the probability that a randomly selected thermometer reads between - 1.97 and -0.45 and draw a sketch of the region. Click to view page 1 of the table. Click to view page 2 of the table. Sketch the region. Choose the correct graph below. O A. В. Oc. -1.97 -0.45 -1.97 -0.45 -1.97 -0.45 The probability is (Round to four decimal places as needed.) Click to select your answer(s). ? PAGES 1377 NOV P W 14 3D MacBook Air DII 000 F8 F9 10 F3 F4 F5 F6 F7 %24 7 8 くO
Based on a smartphone survey, assume that 51% of adults with smartphones use them in theaters. In a separate survey of 248 adults with smartphones, it is found
that 110 use them in theaters.
a. If the 51% rate is correct, find the probability of getting 110 or fewer smartphone owners who use them in theaters.
b. Is the result of 110 significantly low?
a. If the 51% rate is correct, the probability of getting 110 or fewer smartphone owners who use them in theaters is
(Round to four decimal places as needed.)
b. Is the result of 110 significantly low?
v because the probability of this event is
v than the probability cutoff that corresponds to a significant event, which is
Question Viewer
Enter your answer in the answer box.
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PAGES
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Transcribed Image Text:Based on a smartphone survey, assume that 51% of adults with smartphones use them in theaters. In a separate survey of 248 adults with smartphones, it is found that 110 use them in theaters. a. If the 51% rate is correct, find the probability of getting 110 or fewer smartphone owners who use them in theaters. b. Is the result of 110 significantly low? a. If the 51% rate is correct, the probability of getting 110 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.) b. Is the result of 110 significantly low? v because the probability of this event is v than the probability cutoff that corresponds to a significant event, which is Question Viewer Enter your answer in the answer box. ? 山T00 NOV PAGES 2 1377 14 W 3D MacBook Air 80 తితికి DII DD 000 F2 F3 F6 F10 F4 F5 F7 F8 %24 & <> ....
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