Participants in a psychology program have normally distributed IQ scores, with a mean of 104 and a variance of 49.0. One randomly chosen participant has a z-score of -2.0. What is the IQ score of this person? Select one: O a. 80 O b. 90 O c. 95 O d. 100

Q: 24. Find d²4 zP 2. xp 4=3x² +34-8

A: Differentiate two times

Q: 14. The vectors a and b are such that |a| = 3, |b| = 5 and a. b = -14, then |a – b| = %3D A 62 B V62

A: Solution: Given vectors a and b such that a=3,  b=5 and a·b=-14

Q: Determine df

A:

Q: Determine w2

A: The recursively defined sequence is w0=300, wn=0.9993wn-1+0.15. The amount of water at the end of…

Q: Q: 31

A:

Q: 0*1=?

A: The product of zero(0) with any finite real number equal zero.  That is 0*n = 0, when n is a finite…

Q: 1 2 0 -1 2 1 0 3 1

A:

Q: n=9, p=0.35,x=2

A: Let x be the random variable which follows binomial distribution with sample size 9, and probability…

Q: Use the values of a₁ and S, to find the value of an a₁ = 8 and S40 = 5760; a40 a40 ||

A:

Q: 12 R 10 5

A:

Q: Fnd A A= 2.

A:

Q: Q. Find the value of 10C4

A:

Q: E1 Q21

A:

Q: 4w=25

A: topic - linear equation

Q: B find value for x for AB = 32 and CD=68

A:

Q: dzdxdy

A:

Q: Please answer D

A: (a) Given that the percentage of stadiums have just built in the past 20 years is, P=15%=15/100=0.15…

Q: Using the sketch graphs of y = x' and x+ y=1, show that x' +x-1=0 has only one real root and state…

A: Sketch the graph of polynomial y=x3 and line x+y=1.                         From the graph it can…

Q: answer question D

A:

Q: 374+                 =380

A:

Q: 76J 1000

A:

Q: v+1.57=3.13

A:

Q: Q: 32

A: We have  to find the perimeter

Q: S P 45 V2 30 R Q

A:

Q: s=12, df=16

A: Because the population standard deviation is unknown, we must use the t-distribution. The general…

Q: D P•

A: CT2=CA*CB

Q: 7. Solve for the unknown in each triangle. a) b) A D 21 37° 9 cm 46⁰ 26 с E 53⁰ a F B

A: Given problems:-

Q: 2+3

A: Find value of 2+3

Q: c/6 = 18

A:

Q: LOWEST SCORE FOR  b c d

A: From the given information, Mean (µ) = 73 Standard deviation (σ) = 7 Grades are assigned such that…

Q: Find X. 5+x=109

A: The given equation is 5+x=109.

Q: 14+m/10=24

A: Given,          14 + m10 = 24

Q: e

A: We need to evaluate integral.

Q: V=lwh for h  =

A: The given equation is

Q: finf the

A:

Q: H/4% 3D2%=5

A: This question is about simple multiplication.

Q: dr Vr – 9 3

A: We can find the integration as below.

Q: Q12 e1

A: We have to find

Q: dx dy

A: To evaluate the double integral