Asurvey claims that 9 out of 10 doctors (i. e., 90%) recommend brand z for their patients who have
children. to test this claim against the alternative that the actual proportion of doctors who recommend
brand z is less than 90%, a random sample of doctors was taken. suppose the test statistic is z= - 2.23.
can we conclude that he should be rejected at the a) a = 0.10, b) a = 0.05, and c) a = 0.01 level?
o a. a) no; b) no; c) no
ob. a) yes; b) yes; c) yes
oc. a) no; b) no; c) yes
od. a) yes; b) yes; c) no
click to select your answer
look at the picture.
more girls chose canoeing as their favorite outdoor activity than those who chose skiing.
more boys chose skiing as their favorite outdoor activity than girls.
there were more boys surveyed than girls.
more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.
the last answer: -
number choosing camping = 81 and the number choosing canoeing or fishing = 35 + 45 = 80.
i think the answer is 28ft 12in. sorry if im wrong, but let me know if i am