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5.4.29 Question Help Find the probability and interpret the results. If convenient, use technology to find the probability During a certain week the mean price of gasoline was $2.701 per gallon. A random sample of 32 gas stations is drawn from this population. What is the probability that the mean price for the sample was between $2.687 and $2.723 that week? Assume σ-S0 047 EB Click the icon to view page 1 of the standard normal table. EB Click the icon to view page 2 of the standard normal table The probability that the sample mean was between $2 687 and s2 723 is Round to four decimal places as needed.)
X5.4.36 Question Help The average math SAT score is 520 with a standard deviation of 113. A particular high school claims that its students have unusually high math SAT scores. A random sample of 55 students from this school was selected, and the mean math SAT score was 567. Is the high school justified in its claim? Explain v since it V within the range of a because the z-score (is amely within of the mean of the sample means. No decimal places as needed.) Yes ect: 4 Questi Questi
x5.4.36 Question Help * The average math SAT score is 520 with a standard deviation of 113 A particular high school claims that its students have unusually high math SAT scores. A random sample of 55 students from this school was selected, and the mean math SAT score was 567 Is the high school justified in its claim? Explain. ▼I, because the z-score (1)) is usual event, namely within (Round to two decimal places as nee ▼| since it within the range ofa mean of the sample means unusual not unusual ect: 4 Questi Questi
X)5.4.36 Question Help | * The average math SAT score is 520 with a standard deviation of 113. A particular high school claims that its students have unusually high math SAT scores. A random sample of 55 students from this school was selected, and the mean math SAT score was 567. Is the high school justified in its claim? Explain because the 2-scoresincewithinthe range of a v since it V within the range of a usual event, namely within (Round to two decimal places as needed.) of the r eans does not lie lies ct: 4 uesti uesti
5.4.36 Question Help The average math SAT score is 520 with a standard deviation of 113. A particular high school claims that its students have unusually high math SAT scores. A random sample of 55 students from this school was selected, and the mean math SAT score was 567. Is the high school justified in its claim? Explain. , because the z score since t ▼| Since it Vof the mean of the sample means within the range of ▼| within the range of a usual event, namely within (Round to two decimal plac 1 standard deviation 2 standard deviations 3 standard deviations ect ue ue
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Standard Normal Table (Page 2) Ака 06 07 08 00010230405 5000 5040 50805120 5160 5199 5239 5279 5319 5359 0.115398 ·5438 s478 .5517 .5557 S596 S636 S675-5714 S753 02 57935832 5871 5910 5948 5987 6026 6064 6103 6141 03 6179 6217 6255 6293 63316368 6406 43 6480 6517 0A 6554 6591 6628 6666700 6736 6772 808 68446879 0.s 1.6915 6950 6985、7019 .7054 .7088 7123 .7157 .7190 .7224 06 7257 7291 7324 7357 7389 7422 7454 7486 7517 7549 0.7 7580 7611 7642 7673 7704 3734 7764 7794 7823 7852 0.8 7881 7910 7939 7967 7995 8023 051 8078 8106 8133 98159 81868212 8238 8264 8289 8315 8340 8365 8389 1.0 8413 8438 846 8485 85088531 8554 8577 85998621 1.11.8643 8665 8686 8708 8729 8749 8770珈.8810 8830 1.2 8849 3869 8888 8907 8925 8944 8962 8960 8997 901 1.3 9032 9049 9066 020999115 9131 9147 9162 9177 14 9192 9207 9222 9236 9251 9265 9279 9292 9306 9319 15 9332 93459357 9370 93829394 9406 9418 9429 9441 16 945294639474 9484 9495 9505 95159525 9535 9545 1.7 54 9564 573 95829591 9599 9608 9616 9625 9633 1.8 9641 964996569664 9671 9678 96869693 9699 9706 1.9 97139719 9726 97329738 9744 9750 9756 9761 9767 2.0 9772 97789783 9788 9793 9798 9803 980B 9812 9817 2.1 9821 9826 e30 98349838 9842 9946 9850 9854 9857 22 98619864 9868 98719875 9878 9891 9884 9887 9890 23 989896se9e 990199049906 999 99119913 9916 24 9918 9920 9922 9925 9927 99299931 9932 9934 9936 2.5 9938 9940 9941 9943 9945 99469948 9949 9951 9952 26 9953 99559956 9957 9959 9960 99619962 9963 9964 2.7 9965 9966 967 9968 9969 9970 99 99729973 9974 2.8 9974 9975 9976 997799779978 9979 9979 9980 9981 2.9 9981 9982 9982 9983 9984 9985 9985 9986 9986 3.0 9987 9987 987988 9988 9989 9989 9989 9990 9990 3.1 9990 991 9991 9991 9992 9992 9992 9992 99939993 32 9993 9993 9994 9994 9994 9994 9994 9995 9995 9995 3.3 9995 9995 9995 9996 9996 9996 9996 9996 9996 9997 3.4 9997 9997 9997 9997 99979997 9997 999799979998 01 .02 08 Print Done
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