Probability

1)A coin is tossed 5 times. Find P(at most 4 tails.)

A)3/16
B)13/16
C)1/32
D)31/32
I chose D

2)How many different arrangements of the letters of the word doodle are possible?

A)180
B)720
C)15
D)90
I chose B

For #3-5, use the following tepereatures from Jan-Dec: 50,48,51,65,77,85,82,82,73,61,53,48

3)Which measure of central tendency is not a good representation of the data?
A)middle
B)median
C)mode
D)mean
I chose A

4)Find the variance of the temperatures.
A)4366.2
B)64.6
C)2342.9
D)195.2
I chose D

5)Find the standard deviation of the temperatures.
A)14.6 degrees Fahrenheit
B)14.0 degrees Fahrenheit
C)63.0 degrees Fahrenheit
D)64.6 degrees Fahrenheit
I chose B

  1. 👍
  2. 👎
  3. 👁

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math (Ms. Sue)

    A coin tossed. If heads appears, a spinner that can land on any number from 1 to 4 is spun. If tails appears, a second coin is tossed instead of spinning the spinner. What are the possible outcomes? H1 H2 H3 H4 H1 H2 H3 H1 H2 H3

  2. Math

    A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times, what is the probability of getting 2 tails and 1 head? What do you mean by biased in probability?

  3. Math

    If two coins are tossed, what is the probability that the first coin will show heads and the second coin will show tails? a. 1/2 b. 1/4 c. 1/8 d. 1/16

  4. math urgent!

    You flip a coin 20 times and get tails 15 times. You flip the coin 80 more times. What do you expect to happen to the experimental probability of getting tails as you increase the number of trials? The experimental probability

  1. Math

    You flip a coin 20 times and get tails 15 times you flip the coin 80 more times.what do you expect to happen to the experimental probability of getting tails as you increase the number of trials a. The experimental probability

  2. math

    A coin is tossed and then a die is rolled. Find the probability of getting a 5 on the die given that the coin landed tails up.

  3. Math

    a coin was tossed and a spinner with three equal sections numbered 1 to 3 was spun. what is the experimental probability that the next toss and spin will result in 3 and Tails?

  4. probability

    You flip a fair coin (i.e., the probability of obtaining Heads is 1/2) three times. Assume that all sequences of coin flip results, of length 3, are equally likely. Determine the probability of each of the following events. {HHH}:

  1. math

    When a coin is tossed four times, sixteen equally likely outcomes are possible as shown below: HHHH HHHT HHTH HHTT HTHH HTHT HTTH HTTT THHH THHT THTH THTT TTHH TTHT TTTH TTTT Let X denote the total number of tails obtained in the

  2. Prealgebra/probability

    A coin is tossed three times. Use a tree diagram to find the number of possible outcomes that could produce exactly two heads. I don't know how to write out a tree diagram on here, but I think this one is heads -> heads, tails ->

  3. Algebra Probability

    A coin is tossed twice. What is the probability of tossing heads, and then tails, given that the coin has already shown heads in the first toss?

  4. Maths

    When you flip a biased coin the probability of getting a tail is 0.6. How many times would you expect to get tails if you flip the coin 320 times?

You can view more similar questions or ask a new question.