If the SAT score of high-school students X~ N(1500, 100²). Calculate P(X> 1650). Calculate P(1400 < X < 1650). b)

Q: n=9,p=0.3x<3

A: Given: A binomial trial with n=9, p=0.3. The probability of binomial experiment is given as…

Q: Use the Mean Value Theorem to establish e > 1+ x, x > 0. Answer:

A:

Q: X~N(40,?2) and P(X>50) = 0.119. Find the value of ?.

A: From the provided information, Mean (µ) = 40 Variance = σ2 X~N (40, σ2)

Q: 5.75(+/- 0.03) + 0.833 (+/- 0.002) - 8.021 (+/- 0.001) = ? Select one: a. -1.438 (+/- 0.027) b.…

A:

Q: Trt 1 Trt 2 Trt 3 Obs 1 O 3 1 Obs 2 2 2 3 Obs 3 3 1 1

A: Given information:Each treatment has 3 observation

Q: How did you calculate x^2p in the last column?  For senior executives: Consider the following…

A: Given data,

Q: (Z over 8) - (1 over 2) = (z over 6)

A: Given equation is

Q: Use a graphing utility to evaluate „Pr. 40P3

A: We will need the formula: Here n=40 and r=3

Q: The results of a poll show that the true proportion of students who prefer the new schedule is…

A: Point estimate of interval: The point estimate of population  is given by, p^=Upper bound + Lower…

Q: P(Z > 0.98)=

A:

Q: X~N(1.8, 0.4).  Find P(0.9 < X < 2.3).  (Round to 3 decimal places.)

A:

Q: P ( Z > - 170) =

A:

Q: X~N(43.8, 3.5).  Find P(X < 37.0).  (Round to 3 decimal places.)

A: The following is the formulae for z-score                                    z = X-μσ where μ is the…

Q: Assume P(Z> b) = 0.35 for some number b. Without finding the value of b, what P(Z < – b)?

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Q: If m rst = 164, what is m<RVT?

A:

Q: 2. To be eligible for the swim team, the mean pace a student needs to achieve on 5 laps of the pool…

A: To be eligible for the swim team the mean pace student needs to achieve on 5 laps of the pool in 60…

Q: P(0.68<:<2.18):

A: Z~N(0,1) To find:

Q: p(-2.75<z<-0.49)

A: Given that z is standard normal random variable:

Q: What is interval estimates?

A:

Q: n=10,p=0.3,x<4

A: The formula for binomial probability is represented as :   Given: n=10 p=0.3 x&lt; 4

Q: 24.28*(Tf-19.8)=33.75*(Tf-49.1)   what is Tf?

A: Given expression is: 24.28x(Tf-19.8)=33.75x(Tf-49.1)

Q: n=9, p=0.2x<3

A: Here we need to find P(X&lt;3).

Q: The length (in feet) of a student's room is considered discrete. continuous. both discrete and…

A: Discrete variable:   It is nothing but it takes or considers only the countable number of values or…

Q: Let X represent the difference between the number of heads and the number of tails when a coin is…

A: Given that: Total number of times a coin tossed, n=36 To find: Probability of getting the difference…

Q: A die is rolled 1200 times. Let X be the number of sixes rolled. Estimate P (190 <X < 220).

A: Given: A die is rolled 1200 times so, the number of trial (n) = 1200 The probability of rolling a…

Q: n=8,p=0.2,x<4

A: