May someone please help??
1 answer:
Answer:
your inequality signs are correct so i'll skip those
-2.06, .9803
.67, .7486
Step-by-step explanation:
1.)
To do this one you need to standardize x by subtracting the mean and dividng by the standard deviation
(1000-3262)/1100= -2.056 which i will round to -2.06
with this as our z value use the table to find the associated probability
.9803
2.)
Same process
(4000-3262)/1100=.67
which has a probability of .7486
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