In determining automobile mileage ratings, it was found that the mpg (X) for a certain model is normally distributed, with a mean of 38 mpg and a standard deviation of 1.6 mpg. Complete parts a through e below. P(X<37)= 0.2643 (Round to four decimal places as needed.) b. Find P(3541). PX>41)= 0.0304 (Round to four decimal places as needed.) d. Find P(X> 37). PX> 37) = 0.7340 (Round to four decimal places as needed.) e. Find the mileage rating that the upper 11% of cars achieve. The mileage rating that the upper 11% of cars achieve is mpg. (Round to two decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In detemining automobile mileage ratings, it was found that the mpg (X) for a certain model is normally distributed, with a mean of 38 mpg and a standard deviation of
1.6 mpg. Complete parts a through e below.
Incorrect: 0
P(X <37) = 0.2643 (Round to four decimal places as needed.)
tle
b. Find P(35<X<42).
Eio
P(35 <X<42) = 0.9637 (Round to four decimal places as needed.)
c. Find P(X>41).
P(X>41) = 0.0304 (Round to four decimal places as needed.)
d. Find P(X>37).
P(X> 37) = 0.7340 (Round to four decimal places as needed.)
e. Find the mileage rating that the upper 11% of cars achieve.
The mileage rating that the upper 11% of cars achieve is
(Round to two decimal places as needed.)
mpg.
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Transcribed Image Text:In detemining automobile mileage ratings, it was found that the mpg (X) for a certain model is normally distributed, with a mean of 38 mpg and a standard deviation of 1.6 mpg. Complete parts a through e below. Incorrect: 0 P(X <37) = 0.2643 (Round to four decimal places as needed.) tle b. Find P(35<X<42). Eio P(35 <X<42) = 0.9637 (Round to four decimal places as needed.) c. Find P(X>41). P(X>41) = 0.0304 (Round to four decimal places as needed.) d. Find P(X>37). P(X> 37) = 0.7340 (Round to four decimal places as needed.) e. Find the mileage rating that the upper 11% of cars achieve. The mileage rating that the upper 11% of cars achieve is (Round to two decimal places as needed.) mpg. Enter your answer in the answer box and then click Check Answer. Contact Us Cneck Answer Clear All All parts showing ヘロ [] pe here to search acer F12 F11 Numik F10 Sa lk F9 F8 F7 F6 F5 F4 GD- & 7 €
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