Tema
Q:
The bivariate hypothesis-testing procedure that is used when both the independent and dependent variables are
continuous is
A) Continuous hypothesis test
(B) Pearson's correlation
(C) Analysis of variance
(D) continuous samples t-test
Q:
1. Fill in the Blank 16 points
A sequence is defined by \( f(1)=8 \) and \( f(n)=3 f(n-1) \), for each whole number where \( n>1 \).
Q:
QUESTÃO 7: Em um escritório trabalham 10 funcionários:
5 do sexo feminino e 5 do sexo masculino. Dispõe-se de 10 .
fichas numeradas de 1 a 10, que serão usadas para sortear
dois prêmios entre esses funcionários e, para tal, cada
mulher receberá uma ficha numerada de 1 a 5 , enquanto
que cada homem receberá uma numerada de 6 a 10 . Se,
para o sorteio, as fichas das mulheres forem colocadas em
uma urna Me as dos homens em uma urna \( H \), entāo, ao
sortear-se uma ficha de cáda urna, a probabilidade de que
em pelo menos uma delas esteja marcado um número impar
é de:
Q:
Divide
Directions: Perform the division below.
\( \frac{y^{2}+2 y+24}{y+6} \)
Q:
The height of the new bike tunnel, \( y \), in feet, is given by the following equation, where \( x \) is the horizontal distance, In feet, from the center line of
the opening of the tunnel.
\[ y=-x^{2}+36 \]
Note that negative \( x \)-values indicate the distance to the left of the center line, and positive \( x \)-values indicate the distance to the right of the center
line.
Plot the points on the graph where the height of the tunnel is a maximum and where the height of the tunnel is zero feet.
Q:
The sign of the correlation indicates whether the correlation between the independent variable and dependent variable
is negative or positive
(A) True
(B) False
Q:
V. The number of bacteria in a crop is represented by: \( f(t)=3(4)^{t} \), where \( t \) is
measured in hours and \( f(t) \) in thousands.
1. What is the initial number of bacteria?
2. How many are they at 20 minutes?
3. How many are they in half an hour?
4. How many are they after \( 2 \frac{1}{2} \) hours?
Q:
¿Cuáles de los siguientes números son
mayores que -0.33 ?
Elige todas las respuestas adecuadas:
(A) -0.3
B \( -\frac{3}{9} \)
C \( \frac{1}{6} \)
Q:
The coefficient of determination is symbolized by which of the following?
(A) r-squared
(B) beta
(C) 52
(D) CoED
Q:
QUESTÃO 6: No lançamento simultâneo de dois dados a
\( \begin{array}{llll}\text { probabilidade de se obter soma menor que } 8 \text { é? } \\ \begin{array}{llll}\text { a) } 5 / 36 & \text { b) } 1 / 12 & \text { c) } 7 / 12 & \text { d) } 5 / 18 \\ \text { e) } 5 / 12\end{array}\end{array} \)
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