Section 1.3 Learning Check||Please enter your Full Name:|Your Email Address:|Your ID Number or Password:|The area under the standard normal curve corresponding to Z<-0.3 is <br><center><img src="normal1.jpg"></center> # .0013 %% .3821 %% .6179 %% .3707 %%|The area under the standard normal curve corresponding to Z<1.6 is <br><center><img src="normal2.jpg"></center> # .9515 %% .7257 %% .0548 %% .9452 %%|The area under the standard normal curve corresponding to z being between -0.3 and 1.6 is <br><center><img src="normal3.jpg"></center> # .9542 %% .5631 %% .3273 %% .4713 %%|For the standard normal distribution find the z such that the proportion of observations greater that z is 0.10. <br><center><img src="normal4.jpg"></center> # .5398 %% .4602 %% -1.285 %% 1.285 %%|The household income in a certain community is normally distributed with a mean of $42,000 and a standard deviation of $5,000. Find the z-score for the income $38,000. # -1 %% 1 %% -0.8 %% 0.8 %%|The household income in a certain community is normally distributed with a mean of $42,000 and a standard deviation of $5,000. The proportion of households with incomes less than $38,000 is # 0.7881 %% 0.2119 %% 0.7119 %% 0.2881 %%|The scores on a university examination are normally distributed with a mean of 62 and a standard deviation of 11. If the top 15% of students are given A's, what is the lowest mark that a student can have and still be awarded an A? # 51 %% 74 %% 90 %% 93 %%|The weights of packets of cookies produced by a certain manufacturer have a normal distribution with a mean of 202 g and a standard deviation of 3 g. The weight that should be stamped on the packet so that only 1% of packets are underweight is # 195 g. %% 209 g. %% 202 g. %% not enough information to tell %%