5

# CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the standard deviation is 242 dollars. You take a simple random sample o...

## Question

###### CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the standard deviation is 242 dollars. You take a simple random sample of 89 auto insurance policies_Find the probability that a single randomly selected value is at least 975 dollars. P(X 975)Find the probability that a sample of size n 89 is randomly selected with a mean that is at least 975 dollars_ P(M 975)Enter your answers as numbers accurate to 4 decimal places_

CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the standard deviation is 242 dollars. You take a simple random sample of 89 auto insurance policies_ Find the probability that a single randomly selected value is at least 975 dollars. P(X 975) Find the probability that a sample of size n 89 is randomly selected with a mean that is at least 975 dollars_ P(M 975) Enter your answers as numbers accurate to 4 decimal places_  #### Similar Solved Questions

##### 2 2 2 J { 4 ceo J #2 {8 6 8 i ; 020
2 2 2 J { 4 ceo J #2 {8 6 8 i ; 020...
##### Dredict the products) for the tollarng reattcnH;o"Eolt
Dredict the products) for the tollarng reattcn H;o" Eolt...
##### 'Wa[qOId SujueiBod IBOu[ B Se 4! 91[tLIOjaI pue '9 >lecl + lz + Ixl 01 woa(qns ecls + Ixz 9Z[Q[UTUI Ioi Qo[qOId 941 IOpISUOO V'T aSp2JOXHDOJJuny 84L :8*T #mSHA 8 [ JS[DIOXH Jo
'Wa[qOId SujueiBod IBOu[ B Se 4! 91[tLIOjaI pue '9 >lecl + lz + Ixl 01 woa(qns ecls + Ixz 9Z[Q[UTUI Ioi Qo[qOId 941 IOpISUOO V'T aSp2JOXH DOJJuny 84L :8*T #mSHA 8 [ JS[DIOXH Jo...
##### Point)box with square base and an open top is being constructed out of A cm2 of material: If the volume of the box is to be maximized, what should the side length of the base be? What should the height of the box be? What is the maximal volume of the box? Your answers should be in terms of 4Side lengthsqrt(A/3)cmHeight = 1/2 (sartA/3)cmVolume(AsartAV(6sqrt3)cm]
point) box with square base and an open top is being constructed out of A cm2 of material: If the volume of the box is to be maximized, what should the side length of the base be? What should the height of the box be? What is the maximal volume of the box? Your answers should be in terms of 4 Side l...
##### T Pin = Patm + TR 2or:
T Pin = Patm + TR 2 or:...
##### 5) (10 poits) Consider the following cumulative distribution function if x < 0.25x 05 if -2<*<1 Flx) = 0.5x + 0.25 1<4<15 15<1
5) (10 poits) Consider the following cumulative distribution function if x < 0.25x 05 if -2<*<1 Flx) = 0.5x + 0.25 1<4<15 15<1...
##### 4. Given the data below, provide both the degrees of unsaturation and structure of compound CC8H+oOIR Stretches (cm-"): ~1620,~1680, ~2900, ~3050121085
4. Given the data below, provide both the degrees of unsaturation and structure of compound C C8H+oO IR Stretches (cm-"): ~1620,~1680, ~2900, ~3050 12 10 8 5...
##### 9 - 3 3 the conditional ulthe 12iY = 48 funetion of Y 12 f( ofY ( W 3 2 2 2 0 elsewhere 1 2 ~a
9 - 3 3 the conditional ulthe 12iY = 48 funetion of Y 12 f( ofY ( W 3 2 2 2 0 elsewhere 1 2 ~a...
##### Determine whether each statement is true or false. $$\log _{b} 2=\log _{2} b$$
Determine whether each statement is true or false. $$\log _{b} 2=\log _{2} b$$...
##### Which of the following elements has the greatest difference between its first and second ionization energies: $\mathbf{C}$ Li, N, Be? Explain your answer.
Which of the following elements has the greatest difference between its first and second ionization energies: $\mathbf{C}$ Li, N, Be? Explain your answer....
##### Find the inverse of the matrix. For what value(s) of $x$ if any, does the matrix have no inverse? $$\left[\begin{array}{ll} 2 & x \\ x & x^{2} \end{array}\right]$$
Find the inverse of the matrix. For what value(s) of $x$ if any, does the matrix have no inverse? $$\left[\begin{array}{ll} 2 & x \\ x & x^{2} \end{array}\right]$$...
##### Solve each logarithmic equation. $$\ln (7 y+1)=2 \ln (y+3)-\ln 2$$
Solve each logarithmic equation. $$\ln (7 y+1)=2 \ln (y+3)-\ln 2$$...
##### Graph the equation. (See Examples 7–8.)$$4 x=-8$$
Graph the equation. (See Examples 7–8.) $$4 x=-8$$...
##### (II) What is the rms speed of nitrogen molecules contained in an $8.5-m^{3}$ volume at 3.1 atm if the total amount of nitrogen is 1800 mol?
(II) What is the rms speed of nitrogen molecules contained in an $8.5-m^{3}$ volume at 3.1 atm if the total amount of nitrogen is 1800 mol?...
##### Suppose that the total revenue function for commodity R(x) 25x 0.5x2 Find R(10) and tell what it represents. Find the marginal revenue function. Find the marginal revenue at X = next unit 10, and tell what it predicts about the sale of the Find R(11) - R(10) and explain what represents. Find the interc copt of the marginal revenue function_ Dotermine the number of units inat must be soid to maximize total revenue. What is the maximum revenue? Graph R(x) and MR(x) in the window xmin Write 0, xma
Suppose that the total revenue function for commodity R(x) 25x 0.5x2 Find R(10) and tell what it represents. Find the marginal revenue function. Find the marginal revenue at X = next unit 10, and tell what it predicts about the sale of the Find R(11) - R(10) and explain what represents. Find the in...