Homework Answers
solution
P(-0.97< Z <-0.59 )
= P(Z <-0.59) - P(Z < -0.97)
Using z table,
= 0.2776 -0.1660
=0.1116
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Use the normal distribution to compute probability Question Determine the area under the standard normal curve...
(20) TRUE or FALSE: Correlation is a dimensionless quantity with the strict range 0 SPs. 0.00...
(20) TRUE or FALSE: Correlation is a dimensionless quantity with the strict range 0 SPs. 0.00 0.01 0.02 0.03 0.04 0,05 0.06 0.07 0.08 0.09 -0.0 0.500) 0.490) 0.4920 04880- 0.4840-0.4801-0.4761-0.472-0.4681-0.4641- -0.1 0.4602 0.4562 0.4522 0.4483 0.4443 0.4404 0.4364 0.4325 0.4286 0.4247 -0.2 0.4207 0.4168 0.4129 0.4090 0.4052 0.4013 0.3974 0.3936 0.3897 0.3859 -0.3 0.3821 0.3783 0.3745 0.3707 0.3669 0.3632 0.3594 0.3557 0.3520 0.3483 -0.4 0.3446 0.3409 0.3372 0.3336 0.3300 0.3264 0.3228 0.3192 0.3156 0.3121 -0.5 0.3085 0.3050 0.3015 0.2981...
11:44 AM Tue May 12 68% Q + : 0 Aren under a normal curve to...
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Suppose a random sample of size 15 is taken from a normal population with mean 25...
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z .09 .08 .07 .06 .05 .04 .03 .02 .01 .00 z -3.4 0.0002 0.0003 0.0003 ...
z .09 .08 .07
.06 .05 .04 .03
.02 .01 .00 z
-3.4 0.0002 0.0003
0.0003 0.0003 0.0003
0.0003 0.0003 0.0003
0.0003 0.0003 -3.4
-3.3 0.0003 0.0004
0.0004 0.0004 0.0004
0.0004 0.0004 0.0005
0.0005 0.0005 -3.3
-3.2 0.0005 0.0005
0.0005 0.0006 0.0006
0.0006 0.0006 0.0006
0.0007 0.0007 -3.2
-3.1 0.0007 0.0007
0.0008 0.0008 0.0008
0.0008 0.0009 0.0009
0.0009 0.0010 -3.1
-3.0 0.0010 0.0010
0.0011 0.0011 0.0011
0.0012 0.0012 0.0013
0.0013 0.0013 -3.0
-2.9 0.0014 0.0014
0.0015 0.0015 0.0016
0.0016 0.0017 ...
Determine the area under the standard normal curve that lies to the right of a(Z) =...
Determine the area under the standard normal curve that lies to
the right of a(Z) = -0.42, b(Z) =0.54, c(Z) = - 0.76, and d(Z) =
-1.91
MyStatLab Data Set - Google Chrome statcrunch.com/app/?dlim=comma&ft=false&dataurl=https%3a%2f%2fxlitemprod.pearsoncmg.com%2fGetPlayerFile.ashx%3fguid%3d1e9f4376-4819-4d55-8ca0-c41ee702bb63 MyStatLab Data Set StatCrunch Applets Edit Data | StatGraph | Help Row vari vari var2 var12 var13 var14 ve -3.4 -3.3 -3.2 -2.9 -2.8 -2.7 -2.6 -2.5 -2.4 -2.3 HNMONOFHHHHHNNNNNNNNNN -2.2 -2.1 -2 -1.9 0.0003 0.0005 0.0007 0.001 0.0013 0.0019 0.0026 0.0035 0.0047 0.0062 0.0082 0.0107...
Find the value of z if the area under a standard normal curve (a) to the right of z is 0.3974; (b...
Round to 2 decimal places
Table # 1
Table # 2
Find the value of z if the area under a standard normal curve (a) to the right of z is 0.3974; (b) to the left of z is 0.0985 (c) between 0 and z, with z > 0, is 0.4812, and (d) between -z and z, with z>0, is 0.9476 lick here to view page 1 of the standard normal distribution table le reas under the Normal Curve ,00...
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Given a normal distribution with u = 100 and o = 10, complete parts (a) through...
Given a normal distribution with u = 100 and o = 10, complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. B Click here to view page 2 of the cumulative standardized normal distribution table. a. wnat is the probability tnat x>85? The probability that X> 85 is ]. (Round to four decimal places as needed.) b. What is the probability that X < 75? The probability that X< 75 is...
A common practice of airline companies is to sell more tickets for a particular flight than...
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(20) TRUE or FALSE: Correlation is a dimensionless quantity with the strict range 0 SPs. 0.00 0.01 0.02 0.03 0.04 0,05 0.06 0.07 0.08 0.09 -0.0 0.500) 0.490) 0.4920 04880- 0.4840-0.4801-0.4761-0.472-0.4681-0.4641- -0.1 0.4602 0.4562 0.4522 0.4483 0.4443 0.4404 0.4364 0.4325 0.4286 0.4247 -0.2 0.4207 0.4168 0.4129 0.4090 0.4052 0.4013 0.3974 0.3936 0.3897 0.3859 -0.3 0.3821 0.3783 0.3745 0.3707 0.3669 0.3632 0.3594 0.3557 0.3520 0.3483 -0.4 0.3446 0.3409 0.3372 0.3336 0.3300 0.3264 0.3228 0.3192 0.3156 0.3121 -0.5 0.3085 0.3050 0.3015 0.2981...
11:44 AM Tue May 12 68% Q + : 0 Aren under a normal curve to the left of 2 where : * | 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 -0.8 0.2119 0.2090 0.2061 0.2033 0.2005 0.1977 0.1949 0.1922 0.1894 0.1867 -0.7 0.2420 0.2389 0.2358 0.2327 0.2296 0.2266 0.2236 0.2206 0.2177 0.2148 -0.6 0.2743 0.2709 0.2676 0.2643 0.2611 0.2578 0.2546 0.2514 0.2483 0.2451 -0.5 0.3085 0.3050 0.3015 0.2981 0.2946 0.2912 0.2877 0.2843 0.2810 0.2776 -0.4 0.3446...
Suppose a random sample of size 15 is taken from a normal population with mean 25 and standard deviation 5; and a second, independent random sample of size 21 is taken from a normal population with mean 10 and standard deviation 4. Find the probability P(X- X2 2 17). (Use Appendix Table 3. Give your answer to four decimal places.) p(7. - 12 2 17) = 1.282 Incorrect Table In Standard Normal Distribution Cumulative Probabilities Let 2 be a standard...
z .09 .08 .07
.06 .05 .04 .03
.02 .01 .00 z
-3.4 0.0002 0.0003
0.0003 0.0003 0.0003
0.0003 0.0003 0.0003
0.0003 0.0003 -3.4
-3.3 0.0003 0.0004
0.0004 0.0004 0.0004
0.0004 0.0004 0.0005
0.0005 0.0005 -3.3
-3.2 0.0005 0.0005
0.0005 0.0006 0.0006
0.0006 0.0006 0.0006
0.0007 0.0007 -3.2
-3.1 0.0007 0.0007
0.0008 0.0008 0.0008
0.0008 0.0009 0.0009
0.0009 0.0010 -3.1
-3.0 0.0010 0.0010
0.0011 0.0011 0.0011
0.0012 0.0012 0.0013
0.0013 0.0013 -3.0
-2.9 0.0014 0.0014
0.0015 0.0015 0.0016
0.0016 0.0017 ...
Determine the area under the standard normal curve that lies to
the right of a(Z) = -0.42, b(Z) =0.54, c(Z) = - 0.76, and d(Z) =
-1.91
MyStatLab Data Set - Google Chrome statcrunch.com/app/?dlim=comma&ft=false&dataurl=https%3a%2f%2fxlitemprod.pearsoncmg.com%2fGetPlayerFile.ashx%3fguid%3d1e9f4376-4819-4d55-8ca0-c41ee702bb63 MyStatLab Data Set StatCrunch Applets Edit Data | StatGraph | Help Row vari vari var2 var12 var13 var14 ve -3.4 -3.3 -3.2 -2.9 -2.8 -2.7 -2.6 -2.5 -2.4 -2.3 HNMONOFHHHHHNNNNNNNNNN -2.2 -2.1 -2 -1.9 0.0003 0.0005 0.0007 0.001 0.0013 0.0019 0.0026 0.0035 0.0047 0.0062 0.0082 0.0107...
Round to 2 decimal places
Table # 1
Table # 2
Find the value of z if the area under a standard normal curve (a) to the right of z is 0.3974; (b) to the left of z is 0.0985 (c) between 0 and z, with z > 0, is 0.4812, and (d) between -z and z, with z>0, is 0.9476 lick here to view page 1 of the standard normal distribution table le reas under the Normal Curve ,00...
A random sample of 20 chocolate energy bars of a certain brand has, on average, 210 calories per bar, with a standard deviation of 15 calories. Construct a 99% confidence interval for the true mean calorie content of this brand of energy bar. Assume that the distribution of the calorie content is approximately normal. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Click here...
Find the indicated z-scores shown in the graph Click to view page 2 of the table 0.0212 0.0212 The z-scores are (Use a comma to separate answers as needed. Round to two decimal places as needed) We were unable to transcribe this imagei Standard Normal Table (Page 1) z 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 -3.4 0.0002 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 -3.3 0.0003 0.0004 0.0004 0.0004 0.0004 0.0004 00004 0.0005 0.0005...
Given a normal distribution with u = 100 and o = 10, complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. B Click here to view page 2 of the cumulative standardized normal distribution table. a. wnat is the probability tnat x>85? The probability that X> 85 is ]. (Round to four decimal places as needed.) b. What is the probability that X < 75? The probability that X< 75 is...
A common practice of airline companies is to sell more tickets for a particular flight than there are seats on the plane, because customers who buy tickets do not always show up for the flight. Suppose that the percentage of no-shows at flight time is 2%. For a particular flight with 170 seats, a total of 175 tickets were sold. What is the probability that the airline overbooked this flight? Click here to view page 1 of the standard normal...
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