9.18 If, in a sample of n = 16 selected from a normal pop- ulation, X = 56 and S = 12, what is the value of tsTaT if you are testing the null hypothesis Ho : µ = 50? 9.19 In Problem 9.18, how many degrees of freedom does the t test have? 9.20 In Problems 9.18 and 9.19, what are the critical val- ues of t if the level of significance, a, is 0.05 and the alternative hypothesis, H1, is µ # 50? 9.21 In Problems 9.18, 9.19, and 9.20, what is your statis- tical decision if the alternative hypothesis, H1, is µ # 50?

Q: X+2 4 +7= - x+9 X

A:

Q: 1x-3=23

A: Given 1x - 3 = 23

Q: - 9x + 4 = 49

A: Solving for x

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A: The below data represents the case-control study about the risk of stroke related to the "exposure"…

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A: 4y = 12 y = 3

Q: 4x-45=4

A:

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A: Given,           ∫7xx2+14x+40 dx

Q: -3+9x=12

A:

Q: 212=13x-24

A: Given query is to find the value of x.

Q: 7- 2t 2. 1.

A: This is a problem of differentiation. Based on the general formual we will answer the question.

Q: Wht is 10-73

A:

Q: 374+                 =380

A:

Q: what is 2 times 54?

A: We have compute 2 times 54 that 2×54. Hence, 2×54=108

Q: 4A please

A: The given statement is false.

Q: -8=-4+v

A: The given equation is,

Q: Evaluate 7 + 5x, for x = 10

A: Evaluate 7 + 5x, for x = 10

Q: could yo do the next 3 please

A: Given F(t) = t3 ; 0<t<1 The probability density function will be: f(t) = ddt F(t)=3t2 The…

Q: 8+90=

A: It is given that 8+90.

Q: Evaluate 4a + b - 12 when a = - 1 and b = 2.5

A: See the solution below:

Q: 4x-3=8

A:

Q: 25=2x-3

A: solving for x 25=2x-3

Q: 4=2v-14

A: The given equation is,