Question:

Consider that 30% of the understudies of a given class are occupied with project during the thirteenth seven day stretch of semester. In addition, accept that 22% of understudies are female, and 18% of all understudies are females who occupied with project during the thirteenth seven day stretch of semester.

On the off chance that you pick an understudy aimlessly from this scholarly community, what is the likelihood that this individual is a male who take part in project during the thirteenth seven day stretch of semester?

In the event that you pick an understudy indiscriminately from this scholarly world, what is the likelihood that this individual is a male who doesn't take part in project during the thirteenth seven day stretch of semester?

An analyst leads an investigation to comprehend the connection between estriol level in pregnant ladies and the birth weight of their infants. The scientist gathers an example of 100 kids. The example mean birth weight is =3, with test standard blunder S = 1.7

Structure a 95% and 99% certainty span for the genuine mean birth weight

A baby is considered 'underweight' if their introduction to the world weight is beneath than 1.8. Test the invalid speculation that the genuine mean is 1.8 against the elective theory that the genuine mean is under 1.8. Process a Z-score. What do you finish up?

3.True or bogus (and why): the p-esteem is the likelihood that the speculation is valid.

Whatis the main huge change that American drivers made because of higher gas costs? As per an Access America overview, 30% said that it was cutting sporting driving.

In any case. 27% said that it was solidifying or diminishing tasks. In the event that these figures are valid for all American drivers, and If 20 such drivers are arbitrarily examined and asked what Is the primary huge change they made because of higher gas costs,

Whatis the likelihood that precisely 8 said that it was solidifying or diminishing tasks?

Whatis the likelihood that none of them said that It was cutting sporting

driving?

What is the likelihood that in excess of 7 said that it was cutting sporting driving?

(13)

At a home loan organization, 60% of calls are replied by a chaperon. The

staying 40% of guests leave their telephone numbers. Of these 40%, 75%

get a return call that very day. The excess 25% get a

return call the following day.

Of the individuals who at first addressed an orderly, 80% will apply for a home loan.

Of the individuals who got a return call that very day, 60% will apply. Of those

who got a return call the following day, 40% will apply.

Compute the likelihood that an individual at first addressed a chaperon, given

that the person in question applied for a home loan.

QUESTION 14 Find the mean and the standard deviation of a Binomial Distribution with n= 64 and p= 0.85 O Mean = 64; Stand. Deviation= 3.1 Mean = 34.8, Stand. Deviation= 7.2 Mean = 62.8; Stand. Deviation= 3.6 Mean = 54.4; Stand. Deviation= 2.9 QUESTION 15 Find the mean and the standard deviation of a Binomial Distribution with n= 124 and p= 0.26 Mean = 24.9; Stand. Deviation= 4.1 Mean = 34; Stand. Deviation= 6.2 Mean = 32.2; Stand, Deviation= 4.9 Mean = 30.1; Stand. Deviation= 5.81. The phenomenon of -------- is the spontaneous passage of pure ------- into a solution separa it by semipermeable membrane. (A) different (B) not equal to (C) equal to (D) unlike 2. The two expressions pA = XA PA. and PB = XBKB are respectively called.............. (A) Raoult's law and Henry's Law (B) Henry's Law and Raoult's law (C) Dalton's law and Henry's Law (D) All the above 3. The temperature dependence of the Gibbs energy is expressed in terms of the entropy of the by equation - (A) (OG/2p)T = S (B) (8G/OV)T = -S (C) (8G/OT)p = -S (D) (6G/OV)p = S 4. For any spontaneous process the change of Gibbs free energy and entropy must be....... (A) Positive, Negative (B) Negative, Positive (C) Zero, Positive (D) None How many phases and components are present in a system in which ammonium chloride un thermal decomposition? NHACI(s) NH3(g) + HCI(g) (A) three, one (B) two, three (C) two , one (D) one, two When three phases are in equilibrium, the degree of freedom, F=......... and the sy (A) Zero, univariant (B) Zero, invariant (C) two, bivariant (D) one, invariant reaction for which ArG0 is called - -, the --- -- reaction is spontaneous reaction. (A) endergonic, forward, exergonic , backward (B) exergonic, forward , endergonic, backward (C) exothermic, forward, endothermic , backward (D) endothermic, forward , exothermic, backwardQUESTION 4 Which of the following are a measurement of the mean absolute difference between predictions and observations? (choose 2) Mean bias Mean error Normalized mean bias Normalized mean error Root mean square error Correlation QUESTION 5 Which of the following are reported in concentration units? (Choose 3) Mean bias Mean error Normalized mean bias Normalized mean error Root mean square error Correlationresults An instructor asked five students how many hours they had studied for an exam, with the accompanying Hours Studied Test Grade 11 51 97 6 8 84 73 62 24) Figure the correlation coefficient (r) by filling in the blanks. Hours Studied Test Grade Cross X X-M. Products (X-M.) Y Y-My (Y-M.) ZY Z. ZY 0 -6.2 38.44 -1.72 51 11 -22.4 501.76 4.8 -1.39 2 39 23.04 97 23.6 556.96 1.46 6 -0.2 0.04 -0.06 84 10.6 112.36 0.66 ? 1.8 3.24 0.50 73 -0.4 -0.02 -0.0 6 -0.2 0.04 -0.06 62 -11.4 129.96 -0.71 7 E= 31 E= 64.8 E-367 2- 1301.2 My = 6.20 SD-=12.96 M,=? SD -? SD=3.60 SD-? Answer: r= 25) Determine the cutoff score(s) for this two-tailed test, using the .01 significance level. (Use a comma to separate answers as needed.) Answer: 26) Determine the test statistic. Answer: 27) Decide whether to reject the null hypothesis. Choose the correct answer below. A. Do not reject the null hypothesis. The results are inconclusive. B. Reject the null hypothesis. The results prove that the research hypothesis is true. C. Do not reject the null hypothesis. The results prove that the null hypothesis is true. D. Reject the null hypothesis. The results support the research hypothesis.