1 Suppose X is binomial with p 90 What does n have to be (at a minimum) to use the normal approximation for X 1 Explain why the same n works for both of the previous problems The ones that are bolded are the ones i need, 13 and 15 I sent this picture as a reference LG Paste BI Uvab X x ALVA Styles Styles Dictate Sensitivity Pane a Exactly 3 students in the sample have black cars b More than 3 students in the sample have black cars c Less than half of the students in the sample have black cars d At least one student in the sample has a black car 10 There are two conditions that you have to check before using the normal approximation when X is binomial a Write down the two conditions b Why do we have to check BOTH conditions rather than just one, to be able to use the normal approximation (Including an example with your explanation is OK ) 11 Suppose you flip a fair coin 7 times, and let X be the total number of tails What is the probability that X is greater than 1 (Hint, what is p when you flip a fair coin ) A 12 Suppose it is reported that 10 of OSU business students major in international marketing You sample 200 OSU business students at random Let X the number of students in the sample who major in international marketing a How many students in your sample do you EXPECT to major in int'l marketing, according to the above information b What is the probability that your sample finds that at least 15 students major in international marketing c Are your findings from part (b) typical of what you EXPECTED to get in part (a) Why or why not 13 Suppose X is binomial with p 90 What does n have to be (at a minimum) to use the normal approximation for X A 14 Suppose X is binomial with p 10 What does n have to be (at a minimum) to use the normal approximation for X 15 Explain why the same n works for both of the previous problems A 16 Suppose 20 of a bank's customers report being unsatisfied You take a sample of 20 customers at random and count the number of unsatisfied customers

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1 Suppose X is binomial with p    90  What does n have to be (at a minimum) to use the normal approximation for X  1 Explain why the same n works for both of the previous problems  The ones that are bolded are the ones i need, 13 and 15  I sent this picture as a reference  LG Paste BI Uvab X x ALVA  Styles Styles Dictate Sensitivity Pane a  Exactly 3 students in the sample have black cars  b  More than 3 students in the sample have black cars  c  Less than half of the students in the sample have black cars  d  At least one student in the sample has a black car  10  There are two conditions that you have to check before using the normal approximation when X is binomial  a  Write down the two conditions  b  Why do we have to check BOTH conditions rather than just one, to be able to use the normal approximation  (Including an example with your explanation is OK ) 11  Suppose you flip a fair coin 7 times, and let X be the total number of tails  What is the probability that X is greater than 1  (Hint, what is p when you flip a fair coin ) A  12  Suppose it is reported that 10  of OSU business students major in international marketing  You sample 200 OSU business students at random  Let X   the number of students in the sample who major in international marketing  a  How many students in your sample do you EXPECT to major in int'l marketing, according to the above information  b   What is the probability that your sample finds that at least 15 students major in international marketing  c  Are your findings from part (b) typical of what you EXPECTED to get in part (a)  Why or why not  13  Suppose X is binomial with p    90  What does n have to be (at a minimum) to use the normal approximation for X  A  14  Suppose X is binomial with p    10  What does n have to be (at a minimum) to use the normal approximation for X  15  Explain why the same n works for both of the previous problems  A  16  Suppose 20  of a bank's customers report being unsatisfied  You take a sample of 20 customers at random and count the number of unsatisfied customers

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1.Suppose X is binomial with p = .90. What does n have to be (at a minimum) to use the normal approximation for X? 1.Explain

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