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# (Solved): Exercise Problem In 1985, only 10% of the students in the city school district were classified as ...

Exercise Problem In 1985, only

`10%`

of the students in the city school district were classified as being learning disabled. A school psychologist suspects that the phportion of learning-disabled children has increased dramatically over the years. To demonstrate this point, a random sample of

`n=400`

students is selected. In this sample there are 52 students who have been identified as learning-disabled. You will use this information to determine if the sample indicates a change in the proportion of learning-disabled students at a 0.05 level of significance. What is the hypothesized (assumed constant) population proportion for this test?

`p=`

(Report answer as a decimal accurate to 2 decimal places. Do not report using the percent symbol.) Based on the researcher's understanding of the situation, how many tails would this hypothesis test have? one-tailed test two-tailed test Choose the correct pair of hypotheses for this situation: \table[[(A),(B),(C)],[\table[[\table[[

`H_(0):p=0.1`

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