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High school probability

Recent questions in High school probability

ystyrixkzd 2023-03-31

Write formula for the sequence of -4, 0, 8, 20, 36, 56, 80, where the order of f(x) is 0, 1, 2, 3, 4, 5, 6 respectively

ballar9bod 2023-03-31

Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes (based on data from an LG Smartphone survey). If 8 adult smartphone users are randomly selected, find the probability that exactly 6 of them use their smartphones in meetings or classes?

Aydan Hardy 2023-03-31

A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n independent trials of the experiment.n=20,
p=0.7,
x=19
P(19)=

Kelton Rogers 2023-03-30

In binomial probability distribution, the dependents of standard deviations must includes.
a) all of above.
b) probability of q.
c) probability of p.
d) trials.

Jordan Graves 2023-03-30

The probability that a man will be alive in 25 years is 3/5, and the probability that his wifewill be alive in 25 years is 2/3
Determine the probability that both will be alive

se2ng0uhp 2023-03-29

How many different ways can you make change for a quarter??
(Different arrangements of the same coins are not counted separately.)

Maui1opj 2023-03-23

One hundred people line up to board an airplane that can accommodate 100 passengers. Each has a boarding pass with assigned seat. However, the first passenger to board has misplaced his boarding pass and is assigned a seat at random. After that, each person takes the assigned seat. What is the probability that the last person to board gets his assigned seat unoccupied?
A) 1
B) 0.33
C) 0.6
D) 0.5

Israel Young 2023-03-19

The value of $(243)^{- \frac{2}{5}}$ is _______.
A)9
B) $\frac{1}{9}$
C) $\frac{1}{3}$
D)0

v1kibc2 2023-03-14

1 octopus has 8 legs. How many legs does 3 octopuses have?
A) 16
B 24
C) 32
D) 14

Urijah Lawrence 2023-03-13

From a pack of 52 cards, two cards are drawn in succession one by one without replacement. The probability that both are aces is...

Eliza Berry 2023-03-13

A pack of cards contains $4$ aces, $4$ kings, $4$ queens and $4$ jacks. Two cards are drawn at random. The probability that at least one of these is an ace is A $\frac{9}{20}$ B $\frac{3}{16}$ C $\frac{1}{6}$ D $\frac{1}{9}$

Immadvapsupvkd 2023-03-09

You spin a spinner that has 8 equal-sized sections numbered 1 to 8. Find the theoretical probability of landing on the given section(s) of the spinner. (i) section 1 (ii) odd-numbered section (iii) a section whose number is a power of 2. [4 MARKS]

Jamya White 2023-03-08

If A and B are two independent events such that $P (A) > 0.5, P (B) > 0.5, P (A \cap \bar{B}) = \frac{3}{25} P (\bar{A} \cap B) = \frac{8}{25}$ , then the value of $P (A \cap B)$ is
A) $\frac{12}{25}$
B) $\frac{14}{25}$
C) $\frac{18}{25}$
D) $\frac{24}{25}$

Tyrell Singleton 2023-02-26

The unit of plane angle is radian, hence its dimensions are
A) $[M^{0} L^{0} T^{0}]$
B) $[M^{1} L^{- 1} T^{0}]$
C) $[M^{0} L^{1} T^{- 1}]$
D) $[M^{1} L^{0} T^{- 1}]$

inimigurhkg 2023-02-22

Clinical trial tests a method designed to increase the probability of conceiving a girl. In the study, 340 babies were born, and 289 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls born?

Tanya Love 2023-02-21

What is the probability of drawing a red face card from a deck of cards?

Rose Weaver 2023-02-21

Choose the right answer from the following if $A = 1$ and $B = 0,$ what is the value of $A . A + B$ ?
A) $0$
B) $A^{2}$
C) $A$
D) $B$

Jadiel Bowers 2023-02-20

Sean and Evan are college roommates who have part-time jobs as servers in restaurants. The distribution of Sean’s weekly income is approximately normal with mean $225 and standard deviation $25. The distribution of Evan’s weekly income is approximately normal with mean $240 and standard deviation $15. Assuming their weekly incomes are independent of each other, which of the following is closest to the probability that Sean will have a greater income than Evan in a randomly selected week?
1) 0.67
2) 0.7000
3) 0.227
4) 0.303
5) 0.354

Tyrell Singleton 2023-02-17

Which of the following polynomials are binomials?
(1) p(x)=x+1
(2) q(x)=x^3+x
(3) r(x)=sqrt2+x+x^2
(4) r(u)=u+u^2−2

daliner4jl 2023-02-12

Find the remainder when $5^{99}$ is divided by 8 is

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High school probability

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