p(0 < z < 1.30)= p(0 < z < 1.83)= p(1.30 < z < 1.83)=

Q: Suppose that the average price for a gallon of gasoline in Texas is $2.23. Assume that a normal…

A: Let X be the random variable of price of gallon of gasoline in Texas. E(X)=2.23 Sd(X)=0.28…

Q: Find the mean value of f(x) = |x| on the interval [-1, 4]. %3D

A: Given that: f(x)=|x| in [-1, 4]

Q: How do I find the average of the following formula? f(r)=2*(1-((r/.05)^2), from 0 to 0.05

A:

Q: 27. P(O<z< 0.95) 28. P(0<z <1.96) 29. P(-1.38 <z <0) 30. P(-1.23 <z< 0)

A: Hi, since the problem posted by you contains multiple sub-parts, we are answering the first three…

Q: Let ?∼?(?=X∼N(μ=34,?=σ=7.9).   (a) What is ?(?<P(X<23)? (b) Find ?x such that?(?<?)=P(X<x)=0.87?

A: Given,   Mean = 34 Standard deviation = 7.9   The objective is to find the required probabilities.

Q: - - Find the largest number ♂ such that if |x − 1] < ɗ, then |2x − 2] < ɛ, where ɛ = 1. δς Repeat…

A: We will find the value of delta.

Q: A college graduate is looking for a job. It is believed that the chance of getting a job offer after…

A: we have to find variance for geometric distribution.

Q: What is the range of the step function? (1, if 0.5 < x < 1.5 f(x) = {2, if 1.5 < x < 2.5 (3, if 2.5…

A: Range of a function is defined as the set of values the function takes for every value of x in its…

Q: Coefficients: Estimate Std. Error t value Pr (>|t|) 17.350001 -1.534 0.127 0.084885 0.006923 12.261…

A: Given  Test statistic for adverts  t=12.261, p value=2e-16&lt;0

Q: What is the average value of the function f(x) = 8x + 3 on the interval [-1,5] ? %3D (a) 168 (b) 211…

A:

Q: TV Sample                 x f(x) x f(x) xf(x) m-1.20 (x-m)^ f(x) (x-m)^(fx) Units sold Number of…

A: Relationship between variance and standard deviationstandard deviation=variance

Q: X 1 2 3 4 P(X) 0.17 0.46 0.16 0.16 0.05 Find P(X< 3). Round to TWO decimal places. O 0.79 O 0.21 O…

A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

Q: Snowflakes land randomly on a small area of the ground at a rate of 16 per minute. Let X be the…

A: Solution

Q: (a) Use the fitted regression Volume = 10.0655 + 86.0308 × Aroc to verify that the predicted volume…

A: (a) The regression equation is Volume⏞=10.0655+86.0308Aroc. The predicted mean response value is,…

Q: The accompanying table describes results from groups of 10 births from 10 different sets of parents.…

A: Provided data is: Number of girls(X) 0 1 2 3 4 5 6 7 8 9 10 P(x) 0.003 0.018 0.037 0.115 0.205…

Q: x >1 f(x) =x10 xs1 ermine the value of k for which f(x) is a legitimate pdf. ain the cumulative…

A: Since the question has multiple sub parts we will solve the first part only.  Please resend the…

Q: The diameter of a particle of contamination (in micrometers) is modeled with the probability density…

A: Ans#  The probability density function is            f(x)  = 2x3 ,      for x &gt; 1 Find  (d) P(X…