Define Testing for cointegration when θ is unknown ?

7. Sketch the graph of a wave with a period of 2 and an amplitude of 4. 2 0 2 4 6 -2 -4-

Part B -8²+52s+445 Find f(t) for the function F(s): 8(8²+10+89) Express your answer in terms of u (t) and t. Enter the phase angle in radians. Express your answer using three significant figures. ▸ View Available Hint(s) ΔΙΑΣΦΩΤ f(t) = Submit Part C f(t) = Find f(t) for the function F(s) = 14g²+568+152 (8+6)(²+48+20) Express your answer in terms of u(t) and t. Enter the phase angle in radians. Express your answer using three significant figures. ▸ View Available Hint(s) ΔΙΑΣΦΩΤ Submit Part D vec f(t) = ? vec M ? Find f(t) for the function F(s) = 8(8+1)² (8²+10s+34) (g²+88+20) Express your answer in terms of u (t) and t. Enter the phase angle in radians. Express your answer using three significant figures. ► View Available Hint(s) ΑΣΦ. 111 vec ?

10. A humane society claims that less than 70​% of households in a certain country own a pet. In a random sample of 800 households in that​ country, 536 say they own a pet. At α=0.10​, is there enough evidence to support the​ society's claim? Complete parts​ (a) through​ (c) below.       Question content area bottom Part 1 ​(a) Identify the claim and state H0 and Ha.   Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. ​(Type an integer or a decimal. Do not​ round.)   A. The percentage households in the country that own a pet is not enter your response here   ​%.   B. enter your response here   ​% of households in the country own a pet.   C. Less than enter your response here   ​% of households in the country own a pet.   D. More than enter your response here   ​% of households in the country own a pet.