Please help me answer 3 questions below. If you need more information, please ask me.

Attempts: 0:0 I ' Do No Harm: 1' z 3. Using probablllty tables - Flntllng critical values as Aa = Select the proper table from the dropdown menu to help you answer the questions. Critical values 7 Suppose that random variable 2 follows a standard normal distbutlon. Find the positive z-value such that P(-z,2 s z 5 2w) = 0.9500, where u = 0.050. mote: Thls is equivalent to finding a z-value such that H: 2 z...) = 0.025.] 20.025 = Suppose that random variable t follows a t distribution with 5 degrees of freedom. Find the positive t-value such that Pkg/3 s t 5 tan) = 0.9000, where u = 0.100. [Note This Is equivalent to nding a t-value such that P{t 2 to.) = 0.05.] tons = |I| 2. Interval estimation, 2, t, and sample size a; ha 3 Which of the following statements about the oonfidenoe interval for a population mean are two? Check all that appiv. |:| When o is known, 2 :t Ian-0 I v'n Is a good interval approximation, provided the sample size Is sufficientlyr large. When o is unknown, 2 1: tags,\" v'n Is a good interval approximation, provided the sample size Is sufciently:r large. When o is known, 2 :t Ian-0 I v'n Is a good interval approximation, provided the population Is normally.I distributed. When o is unknown, 2 1: M25! in Is a good interval approximation, provided the population Is normally distributed. When o is unknown, 2 5: tags! v'n Is alwavs a good interval approximation. DUDE 3. Using probability tables - Flndll'ig critical values 5.. ha a Select the proper table from the dropdown menu to help you answer the questions. Critical values 7 Suppose that random variable 2 follows a standard normal distribution. Find the positive z-value such that Pl-zmr; s z s 1.92] = 0.9500, where or = 0.050. [II-title: This Is equivalent to finding a z-value such that P{z a 2\"] = 0.025.] Zo.o25 = Suppose that random variable t follows a t distribution with 5 degrees of freedom. Find the positive t-value such that Pl-tagz s t s 112(2) = 0.9000. where o: = 0.100. Mobs: This is equivalent to nding a t-value such that Hit a tn.) = 0.05.] tons =